Home / 878,701.52-1,318,154.68-318,000.08

Finding the Fourth Proportional to 878,701.52, 1,318,154.68 and 318,000.08

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Solution

The fourth proportional to 878,701.52, 1,318,154.68 and 318,000.08 is: 477,037.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,701.52 : 1,318,154.68 = 318,000.08 : x
  2. Step 2: Convert to fraction form
    878,701.52/1,318,154.68 = 318,000.08/x
  3. Step 3: Cross multiply
    878,701.52x = 1,318,154.68 × 318,000.08
  4. Step 4: Simplify right side
    878,701.52x = 419,173,293,692.37
  5. Step 5: Solve for x
    x = 419,173,293,692.37/878,701.52
  6. Step 6: Final answer
    x = 477,037.18

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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.