Home / 708,484.04-1,062,959.36-287,646.92

Finding the Fourth Proportional to 708,484.04, 1,062,959.36 and 287,646.92

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Solution

The fourth proportional to 708,484.04, 1,062,959.36 and 287,646.92 is: 431,565.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,484.04 : 1,062,959.36 = 287,646.92 : x
  2. Step 2: Convert to fraction form
    708,484.04/1,062,959.36 = 287,646.92/x
  3. Step 3: Cross multiply
    708,484.04x = 1,062,959.36 × 287,646.92
  4. Step 4: Simplify right side
    708,484.04x = 305,756,985,989.17
  5. Step 5: Solve for x
    x = 305,756,985,989.17/708,484.04
  6. Step 6: Final answer
    x = 431,565.10

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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.