Home / 875,159.38-1,312,265.22-394,825.84

Finding the Fourth Proportional to 875,159.38, 1,312,265.22 and 394,825.84

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Solution

The fourth proportional to 875,159.38, 1,312,265.22 and 394,825.84 is: 592,024.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,159.38 : 1,312,265.22 = 394,825.84 : x
  2. Step 2: Convert to fraction form
    875,159.38/1,312,265.22 = 394,825.84/x
  3. Step 3: Cross multiply
    875,159.38x = 1,312,265.22 × 394,825.84
  4. Step 4: Simplify right side
    875,159.38x = 518,116,217,789.29
  5. Step 5: Solve for x
    x = 518,116,217,789.29/875,159.38
  6. Step 6: Final answer
    x = 592,024.98

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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.