Home / 908,107.91-1,253,142.60-500,200.96

Finding the Fourth Proportional to 908,107.91, 1,253,142.60 and 500,200.96

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Solution

The fourth proportional to 908,107.91, 1,253,142.60 and 500,200.96 is: 690,251.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,107.91 : 1,253,142.60 = 500,200.96 : x
  2. Step 2: Convert to fraction form
    908,107.91/1,253,142.60 = 500,200.96/x
  3. Step 3: Cross multiply
    908,107.91x = 1,253,142.60 × 500,200.96
  4. Step 4: Simplify right side
    908,107.91x = 626,823,125,271.18
  5. Step 5: Solve for x
    x = 626,823,125,271.18/908,107.91
  6. Step 6: Final answer
    x = 690,251.81

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Double scale
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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.