Home / 771,204.60-1,156,806.90-487,769.40

Finding the Fourth Proportional to 771,204.60, 1,156,806.90 and 487,769.40

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Solution

The fourth proportional to 771,204.60, 1,156,806.90 and 487,769.40 is: 731,654.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,204.60 : 1,156,806.90 = 487,769.40 : x
  2. Step 2: Convert to fraction form
    771,204.60/1,156,806.90 = 487,769.40/x
  3. Step 3: Cross multiply
    771,204.60x = 1,156,806.90 × 487,769.40
  4. Step 4: Simplify right side
    771,204.60x = 564,255,007,528.86
  5. Step 5: Solve for x
    x = 564,255,007,528.86/771,204.60
  6. Step 6: Final answer
    x = 731,654.10

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1.5x scale

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.