Home / 726,896.10-1,090,344.15-443,460.90

Finding the Fourth Proportional to 726,896.10, 1,090,344.15 and 443,460.90

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Solution

The fourth proportional to 726,896.10, 1,090,344.15 and 443,460.90 is: 665,191.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,896.10 : 1,090,344.15 = 443,460.90 : x
  2. Step 2: Convert to fraction form
    726,896.10/1,090,344.15 = 443,460.90/x
  3. Step 3: Cross multiply
    726,896.10x = 1,090,344.15 × 443,460.90
  4. Step 4: Simplify right side
    726,896.10x = 483,524,998,068.74
  5. Step 5: Solve for x
    x = 483,524,998,068.74/726,896.10
  6. Step 6: Final answer
    x = 665,191.35

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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.