Home / 729,400.34-1,096,024.83-392,689.94

Finding the Fourth Proportional to 729,400.34, 1,096,024.83 and 392,689.94

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Solution

The fourth proportional to 729,400.34, 1,096,024.83 and 392,689.94 is: 590,070.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,400.34 : 1,096,024.83 = 392,689.94 : x
  2. Step 2: Convert to fraction form
    729,400.34/1,096,024.83 = 392,689.94/x
  3. Step 3: Cross multiply
    729,400.34x = 1,096,024.83 × 392,689.94
  4. Step 4: Simplify right side
    729,400.34x = 430,397,924,731.21
  5. Step 5: Solve for x
    x = 430,397,924,731.21/729,400.34
  6. Step 6: Final answer
    x = 590,070.91

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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.