Home / 878,577.28-1,316,922.77-372,711.42

Finding the Fourth Proportional to 878,577.28, 1,316,922.77 and 372,711.42

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Solution

The fourth proportional to 878,577.28, 1,316,922.77 and 372,711.42 is: 558,667.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,577.28 : 1,316,922.77 = 372,711.42 : x
  2. Step 2: Convert to fraction form
    878,577.28/1,316,922.77 = 372,711.42/x
  3. Step 3: Cross multiply
    878,577.28x = 1,316,922.77 × 372,711.42
  4. Step 4: Simplify right side
    878,577.28x = 490,832,156,568.81
  5. Step 5: Solve for x
    x = 490,832,156,568.81/878,577.28
  6. Step 6: Final answer
    x = 558,667.03

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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.