Home / 502,577.27-693,558.18-287,718.95

Finding the Fourth Proportional to 502,577.27, 693,558.18 and 287,718.95

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Solution

The fourth proportional to 502,577.27, 693,558.18 and 287,718.95 is: 397,053.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,577.27 : 693,558.18 = 287,718.95 : x
  2. Step 2: Convert to fraction form
    502,577.27/693,558.18 = 287,718.95/x
  3. Step 3: Cross multiply
    502,577.27x = 693,558.18 × 287,718.95
  4. Step 4: Simplify right side
    502,577.27x = 199,549,827,845.72
  5. Step 5: Solve for x
    x = 199,549,827,845.72/502,577.27
  6. Step 6: Final answer
    x = 397,053.03

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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.