Home / 771,115.68-1,156,487.22-297,498.96

Finding the Fourth Proportional to 771,115.68, 1,156,487.22 and 297,498.96

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Solution

The fourth proportional to 771,115.68, 1,156,487.22 and 297,498.96 is: 446,176.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,115.68 : 1,156,487.22 = 297,498.96 : x
  2. Step 2: Convert to fraction form
    771,115.68/1,156,487.22 = 297,498.96/x
  3. Step 3: Cross multiply
    771,115.68x = 1,156,487.22 × 297,498.96
  4. Step 4: Simplify right side
    771,115.68x = 344,053,745,203.29
  5. Step 5: Solve for x
    x = 344,053,745,203.29/771,115.68
  6. Step 6: Final answer
    x = 446,176.56

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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.