Home / 502,221.27-693,070.44-272,780.77

Finding the Fourth Proportional to 502,221.27, 693,070.44 and 272,780.77

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Solution

The fourth proportional to 502,221.27, 693,070.44 and 272,780.77 is: 376,440.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,221.27 : 693,070.44 = 272,780.77 : x
  2. Step 2: Convert to fraction form
    502,221.27/693,070.44 = 272,780.77/x
  3. Step 3: Cross multiply
    502,221.27x = 693,070.44 × 272,780.77
  4. Step 4: Simplify right side
    502,221.27x = 189,056,288,287.44
  5. Step 5: Solve for x
    x = 189,056,288,287.44/502,221.27
  6. Step 6: Final answer
    x = 376,440.23

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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.