Home / 698,220.50-1,047,330.75-254,988.50

Finding the Fourth Proportional to 698,220.50, 1,047,330.75 and 254,988.50

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Solution

The fourth proportional to 698,220.50, 1,047,330.75 and 254,988.50 is: 382,482.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,220.50 : 1,047,330.75 = 254,988.50 : x
  2. Step 2: Convert to fraction form
    698,220.50/1,047,330.75 = 254,988.50/x
  3. Step 3: Cross multiply
    698,220.50x = 1,047,330.75 × 254,988.50
  4. Step 4: Simplify right side
    698,220.50x = 267,057,296,946.38
  5. Step 5: Solve for x
    x = 267,057,296,946.38/698,220.50
  6. Step 6: Final answer
    x = 382,482.75

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Half scale
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Double scale
Find fourth proportional to 698,221.50, 1,047,332.25 and 254,989.50
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.