Home / 648,244.46-894,553.90-357,849.79

Finding the Fourth Proportional to 648,244.46, 894,553.90 and 357,849.79

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Solution

The fourth proportional to 648,244.46, 894,553.90 and 357,849.79 is: 493,819.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,244.46 : 894,553.90 = 357,849.79 : x
  2. Step 2: Convert to fraction form
    648,244.46/894,553.90 = 357,849.79/x
  3. Step 3: Cross multiply
    648,244.46x = 894,553.90 × 357,849.79
  4. Step 4: Simplify right side
    648,244.46x = 320,115,921,876.16
  5. Step 5: Solve for x
    x = 320,115,921,876.16/648,244.46
  6. Step 6: Final answer
    x = 493,819.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.