Home / 502,926.80-694,025.12-276,572.28

Finding the Fourth Proportional to 502,926.80, 694,025.12 and 276,572.28

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Solution

The fourth proportional to 502,926.80, 694,025.12 and 276,572.28 is: 381,662.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,926.80 : 694,025.12 = 276,572.28 : x
  2. Step 2: Convert to fraction form
    502,926.80/694,025.12 = 276,572.28/x
  3. Step 3: Cross multiply
    502,926.80x = 694,025.12 × 276,572.28
  4. Step 4: Simplify right side
    502,926.80x = 191,948,109,815.67
  5. Step 5: Solve for x
    x = 191,948,109,815.67/502,926.80
  6. Step 6: Final answer
    x = 381,662.12

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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.