Home / 908,290.96-1,253,430.66-500,384.68

Finding the Fourth Proportional to 908,290.96, 1,253,430.66 and 500,384.68

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Solution

The fourth proportional to 908,290.96, 1,253,430.66 and 500,384.68 is: 690,524.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,290.96 : 1,253,430.66 = 500,384.68 : x
  2. Step 2: Convert to fraction form
    908,290.96/1,253,430.66 = 500,384.68/x
  3. Step 3: Cross multiply
    908,290.96x = 1,253,430.66 × 500,384.68
  4. Step 4: Simplify right side
    908,290.96x = 627,197,499,706.29
  5. Step 5: Solve for x
    x = 627,197,499,706.29/908,290.96
  6. Step 6: Final answer
    x = 690,524.87

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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.