Home / 766,055.28-1,148,007.20-605,425.12

Finding the Fourth Proportional to 766,055.28, 1,148,007.20 and 605,425.12

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Solution

The fourth proportional to 766,055.28, 1,148,007.20 and 605,425.12 is: 907,287.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,055.28 : 1,148,007.20 = 605,425.12 : x
  2. Step 2: Convert to fraction form
    766,055.28/1,148,007.20 = 605,425.12/x
  3. Step 3: Cross multiply
    766,055.28x = 1,148,007.20 × 605,425.12
  4. Step 4: Simplify right side
    766,055.28x = 695,032,396,820.86
  5. Step 5: Solve for x
    x = 695,032,396,820.86/766,055.28
  6. Step 6: Final answer
    x = 907,287.52

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Double scale
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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.