Home / 885,744.10-1,328,616.15-487,612.90

Finding the Fourth Proportional to 885,744.10, 1,328,616.15 and 487,612.90

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Solution

The fourth proportional to 885,744.10, 1,328,616.15 and 487,612.90 is: 731,419.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,744.10 : 1,328,616.15 = 487,612.90 : x
  2. Step 2: Convert to fraction form
    885,744.10/1,328,616.15 = 487,612.90/x
  3. Step 3: Cross multiply
    885,744.10x = 1,328,616.15 × 487,612.90
  4. Step 4: Simplify right side
    885,744.10x = 647,850,373,888.34
  5. Step 5: Solve for x
    x = 647,850,373,888.34/885,744.10
  6. Step 6: Final answer
    x = 731,419.35

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Similar ratio
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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.