Home / 913,471.12-1,370,337.96-282,434.14

Finding the Fourth Proportional to 913,471.12, 1,370,337.96 and 282,434.14

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Solution

The fourth proportional to 913,471.12, 1,370,337.96 and 282,434.14 is: 423,691.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,471.12 : 1,370,337.96 = 282,434.14 : x
  2. Step 2: Convert to fraction form
    913,471.12/1,370,337.96 = 282,434.14/x
  3. Step 3: Cross multiply
    913,471.12x = 1,370,337.96 × 282,434.14
  4. Step 4: Simplify right side
    913,471.12x = 387,030,223,241.95
  5. Step 5: Solve for x
    x = 387,030,223,241.95/913,471.12
  6. Step 6: Final answer
    x = 423,691.80

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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.