Home / 744,121.32-1,116,156.96-323,397.24

Finding the Fourth Proportional to 744,121.32, 1,116,156.96 and 323,397.24

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Solution

The fourth proportional to 744,121.32, 1,116,156.96 and 323,397.24 is: 485,084.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,121.32 : 1,116,156.96 = 323,397.24 : x
  2. Step 2: Convert to fraction form
    744,121.32/1,116,156.96 = 323,397.24/x
  3. Step 3: Cross multiply
    744,121.32x = 1,116,156.96 × 323,397.24
  4. Step 4: Simplify right side
    744,121.32x = 360,962,080,270.79
  5. Step 5: Solve for x
    x = 360,962,080,270.79/744,121.32
  6. Step 6: Final answer
    x = 485,084.99

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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.