Home / 502,223.28-693,073.20-272,782.78

Finding the Fourth Proportional to 502,223.28, 693,073.20 and 272,782.78

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Solution

The fourth proportional to 502,223.28, 693,073.20 and 272,782.78 is: 376,442.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,223.28 : 693,073.20 = 272,782.78 : x
  2. Step 2: Convert to fraction form
    502,223.28/693,073.20 = 272,782.78/x
  3. Step 3: Cross multiply
    502,223.28x = 693,073.20 × 272,782.78
  4. Step 4: Simplify right side
    502,223.28x = 189,058,434,239.50
  5. Step 5: Solve for x
    x = 189,058,434,239.50/502,223.28
  6. Step 6: Final answer
    x = 376,442.99

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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.