Home / 908,082.88-1,253,162.76-500,186.20

Finding the Fourth Proportional to 908,082.88, 1,253,162.76 and 500,186.20

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Solution

The fourth proportional to 908,082.88, 1,253,162.76 and 500,186.20 is: 690,261.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,082.88 : 1,253,162.76 = 500,186.20 : x
  2. Step 2: Convert to fraction form
    908,082.88/1,253,162.76 = 500,186.20/x
  3. Step 3: Cross multiply
    908,082.88x = 1,253,162.76 × 500,186.20
  4. Step 4: Simplify right side
    908,082.88x = 626,814,718,905.91
  5. Step 5: Solve for x
    x = 626,814,718,905.91/908,082.88
  6. Step 6: Final answer
    x = 690,261.57

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Double scale
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Similar ratio
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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.