Home / 732,642.62-1,011,540.51-457,419.92

Finding the Fourth Proportional to 732,642.62, 1,011,540.51 and 457,419.92

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Solution

The fourth proportional to 732,642.62, 1,011,540.51 and 457,419.92 is: 631,547.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,642.62 : 1,011,540.51 = 457,419.92 : x
  2. Step 2: Convert to fraction form
    732,642.62/1,011,540.51 = 457,419.92/x
  3. Step 3: Cross multiply
    732,642.62x = 1,011,540.51 × 457,419.92
  4. Step 4: Simplify right side
    732,642.62x = 462,698,774,103.26
  5. Step 5: Solve for x
    x = 462,698,774,103.26/732,642.62
  6. Step 6: Final answer
    x = 631,547.72

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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.