Home / 723,153.56-1,084,292.80-323,719.88

Finding the Fourth Proportional to 723,153.56, 1,084,292.80 and 323,719.88

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Solution

The fourth proportional to 723,153.56, 1,084,292.80 and 323,719.88 is: 485,383.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,153.56 : 1,084,292.80 = 323,719.88 : x
  2. Step 2: Convert to fraction form
    723,153.56/1,084,292.80 = 323,719.88/x
  3. Step 3: Cross multiply
    723,153.56x = 1,084,292.80 × 323,719.88
  4. Step 4: Simplify right side
    723,153.56x = 351,007,128,870.10
  5. Step 5: Solve for x
    x = 351,007,128,870.10/723,153.56
  6. Step 6: Final answer
    x = 485,383.95

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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.