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Finding the Fourth Proportional to 526,069.08, 725,980.73 and 284,356.37

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Solution

The fourth proportional to 526,069.08, 725,980.73 and 284,356.37 is: 392,414.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,069.08 : 725,980.73 = 284,356.37 : x
  2. Step 2: Convert to fraction form
    526,069.08/725,980.73 = 284,356.37/x
  3. Step 3: Cross multiply
    526,069.08x = 725,980.73 × 284,356.37
  4. Step 4: Simplify right side
    526,069.08x = 206,437,245,465.92
  5. Step 5: Solve for x
    x = 206,437,245,465.92/526,069.08
  6. Step 6: Final answer
    x = 392,414.71

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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.