Home / 875,073.38-1,207,708.18-493,169.72

Finding the Fourth Proportional to 875,073.38, 1,207,708.18 and 493,169.72

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Solution

The fourth proportional to 875,073.38, 1,207,708.18 and 493,169.72 is: 680,634.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,073.38 : 1,207,708.18 = 493,169.72 : x
  2. Step 2: Convert to fraction form
    875,073.38/1,207,708.18 = 493,169.72/x
  3. Step 3: Cross multiply
    875,073.38x = 1,207,708.18 × 493,169.72
  4. Step 4: Simplify right side
    875,073.38x = 595,605,097,700.85
  5. Step 5: Solve for x
    x = 595,605,097,700.85/875,073.38
  6. Step 6: Final answer
    x = 680,634.46

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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.