Home / 732,686.78-1,011,454.06-491,127.16

Finding the Fourth Proportional to 732,686.78, 1,011,454.06 and 491,127.16

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Solution

The fourth proportional to 732,686.78, 1,011,454.06 and 491,127.16 is: 677,987.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,686.78 : 1,011,454.06 = 491,127.16 : x
  2. Step 2: Convert to fraction form
    732,686.78/1,011,454.06 = 491,127.16/x
  3. Step 3: Cross multiply
    732,686.78x = 1,011,454.06 × 491,127.16
  4. Step 4: Simplify right side
    732,686.78x = 496,752,559,958.27
  5. Step 5: Solve for x
    x = 496,752,559,958.27/732,686.78
  6. Step 6: Final answer
    x = 677,987.61

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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.