Home / 757,768.71-1,045,720.83-516,472.83

Finding the Fourth Proportional to 757,768.71, 1,045,720.83 and 516,472.83

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Solution

The fourth proportional to 757,768.71, 1,045,720.83 and 516,472.83 is: 712,732.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,768.71 : 1,045,720.83 = 516,472.83 : x
  2. Step 2: Convert to fraction form
    757,768.71/1,045,720.83 = 516,472.83/x
  3. Step 3: Cross multiply
    757,768.71x = 1,045,720.83 × 516,472.83
  4. Step 4: Simplify right side
    757,768.71x = 540,086,396,460.05
  5. Step 5: Solve for x
    x = 540,086,396,460.05/757,768.71
  6. Step 6: Final answer
    x = 712,732.51

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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.