Home / 723,480.53-1,085,376.31-243,756

Finding the Fourth Proportional to 723,480.53, 1,085,376.31 and 243,756

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Solution

The fourth proportional to 723,480.53, 1,085,376.31 and 243,756 is: 365,686.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,480.53 : 1,085,376.31 = 243,756 : x
  2. Step 2: Convert to fraction form
    723,480.53/1,085,376.31 = 243,756/x
  3. Step 3: Cross multiply
    723,480.53x = 1,085,376.31 × 243,756
  4. Step 4: Simplify right side
    723,480.53x = 264,566,987,210.97
  5. Step 5: Solve for x
    x = 264,566,987,210.97/723,480.53
  6. Step 6: Final answer
    x = 365,686.40

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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.