Home / 526,428.24-726,470.96-284,710.80

Finding the Fourth Proportional to 526,428.24, 726,470.96 and 284,710.80

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Solution

The fourth proportional to 526,428.24, 726,470.96 and 284,710.80 is: 392,900.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,428.24 : 726,470.96 = 284,710.80 : x
  2. Step 2: Convert to fraction form
    526,428.24/726,470.96 = 284,710.80/x
  3. Step 3: Cross multiply
    526,428.24x = 726,470.96 × 284,710.80
  4. Step 4: Simplify right side
    526,428.24x = 206,834,128,198.37
  5. Step 5: Solve for x
    x = 206,834,128,198.37/526,428.24
  6. Step 6: Final answer
    x = 392,900.90

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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.