Home / 917,398.86-1,375,553.24-348,821.58

Finding the Fourth Proportional to 917,398.86, 1,375,553.24 and 348,821.58

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Solution

The fourth proportional to 917,398.86, 1,375,553.24 and 348,821.58 is: 523,025.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,398.86 : 1,375,553.24 = 348,821.58 : x
  2. Step 2: Convert to fraction form
    917,398.86/1,375,553.24 = 348,821.58/x
  3. Step 3: Cross multiply
    917,398.86x = 1,375,553.24 × 348,821.58
  4. Step 4: Simplify right side
    917,398.86x = 479,822,654,550.92
  5. Step 5: Solve for x
    x = 479,822,654,550.92/917,398.86
  6. Step 6: Final answer
    x = 523,025.13

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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.