Home / 875,084.76-1,312,819.74-267,877.89

Finding the Fourth Proportional to 875,084.76, 1,312,819.74 and 267,877.89

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Solution

The fourth proportional to 875,084.76, 1,312,819.74 and 267,877.89 is: 401,875.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,084.76 : 1,312,819.74 = 267,877.89 : x
  2. Step 2: Convert to fraction form
    875,084.76/1,312,819.74 = 267,877.89/x
  3. Step 3: Cross multiply
    875,084.76x = 1,312,819.74 × 267,877.89
  4. Step 4: Simplify right side
    875,084.76x = 351,675,381,901.55
  5. Step 5: Solve for x
    x = 351,675,381,901.55/875,084.76
  6. Step 6: Final answer
    x = 401,875.79

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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.