Home / 698,222.25-1,047,333.38-254,990.25

Finding the Fourth Proportional to 698,222.25, 1,047,333.38 and 254,990.25

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Solution

The fourth proportional to 698,222.25, 1,047,333.38 and 254,990.25 is: 382,485.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,222.25 : 1,047,333.38 = 254,990.25 : x
  2. Step 2: Convert to fraction form
    698,222.25/1,047,333.38 = 254,990.25/x
  3. Step 3: Cross multiply
    698,222.25x = 1,047,333.38 × 254,990.25
  4. Step 4: Simplify right side
    698,222.25x = 267,059,799,124.59
  5. Step 5: Solve for x
    x = 267,059,799,124.59/698,222.25
  6. Step 6: Final answer
    x = 382,485.38

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Double scale
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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.