Home / 526,579.32-726,677.28-284,861.33

Finding the Fourth Proportional to 526,579.32, 726,677.28 and 284,861.33

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Solution

The fourth proportional to 526,579.32, 726,677.28 and 284,861.33 is: 393,107.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,579.32 : 726,677.28 = 284,861.33 : x
  2. Step 2: Convert to fraction form
    526,579.32/726,677.28 = 284,861.33/x
  3. Step 3: Cross multiply
    526,579.32x = 726,677.28 × 284,861.33
  4. Step 4: Simplify right side
    526,579.32x = 207,002,252,828.20
  5. Step 5: Solve for x
    x = 207,002,252,828.20/526,579.32
  6. Step 6: Final answer
    x = 393,107.45

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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.