Home / 864,317.52-1,192,759.22-482,344.61

Finding the Fourth Proportional to 864,317.52, 1,192,759.22 and 482,344.61

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Solution

The fourth proportional to 864,317.52, 1,192,759.22 and 482,344.61 is: 665,636.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,317.52 : 1,192,759.22 = 482,344.61 : x
  2. Step 2: Convert to fraction form
    864,317.52/1,192,759.22 = 482,344.61/x
  3. Step 3: Cross multiply
    864,317.52x = 1,192,759.22 × 482,344.61
  4. Step 4: Simplify right side
    864,317.52x = 575,320,976,036.87
  5. Step 5: Solve for x
    x = 575,320,976,036.87/864,317.52
  6. Step 6: Final answer
    x = 665,636.14

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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.