Home / 730,788.14-1,007,987.24-476,483.78

Finding the Fourth Proportional to 730,788.14, 1,007,987.24 and 476,483.78

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Solution

The fourth proportional to 730,788.14, 1,007,987.24 and 476,483.78 is: 657,221.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,788.14 : 1,007,987.24 = 476,483.78 : x
  2. Step 2: Convert to fraction form
    730,788.14/1,007,987.24 = 476,483.78/x
  3. Step 3: Cross multiply
    730,788.14x = 1,007,987.24 × 476,483.78
  4. Step 4: Simplify right side
    730,788.14x = 480,289,570,306.97
  5. Step 5: Solve for x
    x = 480,289,570,306.97/730,788.14
  6. Step 6: Final answer
    x = 657,221.35

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.