Home / 891,546.18-1,337,314.66-217,631.04

Finding the Fourth Proportional to 891,546.18, 1,337,314.66 and 217,631.04

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Solution

The fourth proportional to 891,546.18, 1,337,314.66 and 217,631.04 is: 326,445.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,546.18 : 1,337,314.66 = 217,631.04 : x
  2. Step 2: Convert to fraction form
    891,546.18/1,337,314.66 = 217,631.04/x
  3. Step 3: Cross multiply
    891,546.18x = 1,337,314.66 × 217,631.04
  4. Step 4: Simplify right side
    891,546.18x = 291,041,174,704.04
  5. Step 5: Solve for x
    x = 291,041,174,704.04/891,546.18
  6. Step 6: Final answer
    x = 326,445.43

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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.