Home / 908,072.52-1,361,474.55-402,358.88

Finding the Fourth Proportional to 908,072.52, 1,361,474.55 and 402,358.88

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Solution

The fourth proportional to 908,072.52, 1,361,474.55 and 402,358.88 is: 603,257.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,072.52 : 1,361,474.55 = 402,358.88 : x
  2. Step 2: Convert to fraction form
    908,072.52/1,361,474.55 = 402,358.88/x
  3. Step 3: Cross multiply
    908,072.52x = 1,361,474.55 × 402,358.88
  4. Step 4: Simplify right side
    908,072.52x = 547,801,368,279.13
  5. Step 5: Solve for x
    x = 547,801,368,279.13/908,072.52
  6. Step 6: Final answer
    x = 603,257.29

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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.