Home / 908,118.34-1,253,211.96-500,221.96

Finding the Fourth Proportional to 908,118.34, 1,253,211.96 and 500,221.96

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Solution

The fourth proportional to 908,118.34, 1,253,211.96 and 500,221.96 is: 690,311.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,118.34 : 1,253,211.96 = 500,221.96 : x
  2. Step 2: Convert to fraction form
    908,118.34/1,253,211.96 = 500,221.96/x
  3. Step 3: Cross multiply
    908,118.34x = 1,253,211.96 × 500,221.96
  4. Step 4: Simplify right side
    908,118.34x = 626,884,142,926.64
  5. Step 5: Solve for x
    x = 626,884,142,926.64/908,118.34
  6. Step 6: Final answer
    x = 690,311.07

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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.