Home / 945,820.80-1,305,229.14-516,097.17

Finding the Fourth Proportional to 945,820.80, 1,305,229.14 and 516,097.17

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Solution

The fourth proportional to 945,820.80, 1,305,229.14 and 516,097.17 is: 712,212.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,820.80 : 1,305,229.14 = 516,097.17 : x
  2. Step 2: Convert to fraction form
    945,820.80/1,305,229.14 = 516,097.17/x
  3. Step 3: Cross multiply
    945,820.80x = 1,305,229.14 × 516,097.17
  4. Step 4: Simplify right side
    945,820.80x = 673,625,065,355.53
  5. Step 5: Solve for x
    x = 673,625,065,355.53/945,820.80
  6. Step 6: Final answer
    x = 712,212.15

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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.