Home / 723,490.53-1,085,391.31-243,766

Finding the Fourth Proportional to 723,490.53, 1,085,391.31 and 243,766

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Solution

The fourth proportional to 723,490.53, 1,085,391.31 and 243,766 is: 365,701.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,490.53 : 1,085,391.31 = 243,766 : x
  2. Step 2: Convert to fraction form
    723,490.53/1,085,391.31 = 243,766/x
  3. Step 3: Cross multiply
    723,490.53x = 1,085,391.31 × 243,766
  4. Step 4: Simplify right side
    723,490.53x = 264,581,498,073.46
  5. Step 5: Solve for x
    x = 264,581,498,073.46/723,490.53
  6. Step 6: Final answer
    x = 365,701.40

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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.