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Finding the Fourth Proportional to 526,273.48, 726,257.36 and 284,555.98

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Solution

The fourth proportional to 526,273.48, 726,257.36 and 284,555.98 is: 392,687.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,273.48 : 726,257.36 = 284,555.98 : x
  2. Step 2: Convert to fraction form
    526,273.48/726,257.36 = 284,555.98/x
  3. Step 3: Cross multiply
    526,273.48x = 726,257.36 × 284,555.98
  4. Step 4: Simplify right side
    526,273.48x = 206,660,874,807.01
  5. Step 5: Solve for x
    x = 206,660,874,807.01/526,273.48
  6. Step 6: Final answer
    x = 392,687.23

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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.