Home / 698,698.30-1,048,047.45-249,634.30

Finding the Fourth Proportional to 698,698.30, 1,048,047.45 and 249,634.30

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Solution

The fourth proportional to 698,698.30, 1,048,047.45 and 249,634.30 is: 374,451.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,698.30 : 1,048,047.45 = 249,634.30 : x
  2. Step 2: Convert to fraction form
    698,698.30/1,048,047.45 = 249,634.30/x
  3. Step 3: Cross multiply
    698,698.30x = 1,048,047.45 × 249,634.30
  4. Step 4: Simplify right side
    698,698.30x = 261,628,591,547.54
  5. Step 5: Solve for x
    x = 261,628,591,547.54/698,698.30
  6. Step 6: Final answer
    x = 374,451.45

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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.