Home / 728,746.08-1,005,287.28-592,931.76

Finding the Fourth Proportional to 728,746.08, 1,005,287.28 and 592,931.76

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Solution

The fourth proportional to 728,746.08, 1,005,287.28 and 592,931.76 is: 817,934.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,746.08 : 1,005,287.28 = 592,931.76 : x
  2. Step 2: Convert to fraction form
    728,746.08/1,005,287.28 = 592,931.76/x
  3. Step 3: Cross multiply
    728,746.08x = 1,005,287.28 × 592,931.76
  4. Step 4: Simplify right side
    728,746.08x = 596,066,756,236.01
  5. Step 5: Solve for x
    x = 596,066,756,236.01/728,746.08
  6. Step 6: Final answer
    x = 817,934.77

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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.