Home / 723,694.56-1,085,334.48-243,870

Finding the Fourth Proportional to 723,694.56, 1,085,334.48 and 243,870

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Solution

The fourth proportional to 723,694.56, 1,085,334.48 and 243,870 is: 365,735.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,694.56 : 1,085,334.48 = 243,870 : x
  2. Step 2: Convert to fraction form
    723,694.56/1,085,334.48 = 243,870/x
  3. Step 3: Cross multiply
    723,694.56x = 1,085,334.48 × 243,870
  4. Step 4: Simplify right side
    723,694.56x = 264,680,519,637.60
  5. Step 5: Solve for x
    x = 264,680,519,637.60/723,694.56
  6. Step 6: Final answer
    x = 365,735.12

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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.