Home / 875,841.30-1,313,648.76-276,862.89

Finding the Fourth Proportional to 875,841.30, 1,313,648.76 and 276,862.89

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Solution

The fourth proportional to 875,841.30, 1,313,648.76 and 276,862.89 is: 415,258.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,841.30 : 1,313,648.76 = 276,862.89 : x
  2. Step 2: Convert to fraction form
    875,841.30/1,313,648.76 = 276,862.89/x
  3. Step 3: Cross multiply
    875,841.30x = 1,313,648.76 × 276,862.89
  4. Step 4: Simplify right side
    875,841.30x = 363,700,592,138.52
  5. Step 5: Solve for x
    x = 363,700,592,138.52/875,841.30
  6. Step 6: Final answer
    x = 415,258.55

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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.