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Finding the Fourth Proportional to 502,339.25, 693,228.77 and 272,896.69

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Solution

The fourth proportional to 502,339.25, 693,228.77 and 272,896.69 is: 376,597.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,339.25 : 693,228.77 = 272,896.69 : x
  2. Step 2: Convert to fraction form
    502,339.25/693,228.77 = 272,896.69/x
  3. Step 3: Cross multiply
    502,339.25x = 693,228.77 × 272,896.69
  4. Step 4: Simplify right side
    502,339.25x = 189,179,838,294.55
  5. Step 5: Solve for x
    x = 189,179,838,294.55/502,339.25
  6. Step 6: Final answer
    x = 376,597.76

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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.