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Finding the Fourth Proportional to 492,302.72, 738,454.24 and 255,523.52

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Solution

The fourth proportional to 492,302.72, 738,454.24 and 255,523.52 is: 383,285.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,302.72 : 738,454.24 = 255,523.52 : x
  2. Step 2: Convert to fraction form
    492,302.72/738,454.24 = 255,523.52/x
  3. Step 3: Cross multiply
    492,302.72x = 738,454.24 × 255,523.52
  4. Step 4: Simplify right side
    492,302.72x = 188,692,426,763.73
  5. Step 5: Solve for x
    x = 188,692,426,763.73/492,302.72
  6. Step 6: Final answer
    x = 383,285.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.