Home / 992,500.32-1,369,646.64-539,798.88

Finding the Fourth Proportional to 992,500.32, 1,369,646.64 and 539,798.88

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Solution

The fourth proportional to 992,500.32, 1,369,646.64 and 539,798.88 is: 744,920.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,500.32 : 1,369,646.64 = 539,798.88 : x
  2. Step 2: Convert to fraction form
    992,500.32/1,369,646.64 = 539,798.88/x
  3. Step 3: Cross multiply
    992,500.32x = 1,369,646.64 × 539,798.88
  4. Step 4: Simplify right side
    992,500.32x = 739,333,722,267.76
  5. Step 5: Solve for x
    x = 739,333,722,267.76/992,500.32
  6. Step 6: Final answer
    x = 744,920.39

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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.