Home / 727,218.04-1,003,648.89-417,234.10

Finding the Fourth Proportional to 727,218.04, 1,003,648.89 and 417,234.10

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Solution

The fourth proportional to 727,218.04, 1,003,648.89 and 417,234.10 is: 575,833.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,218.04 : 1,003,648.89 = 417,234.10 : x
  2. Step 2: Convert to fraction form
    727,218.04/1,003,648.89 = 417,234.10/x
  3. Step 3: Cross multiply
    727,218.04x = 1,003,648.89 × 417,234.10
  4. Step 4: Simplify right side
    727,218.04x = 418,756,541,335.15
  5. Step 5: Solve for x
    x = 418,756,541,335.15/727,218.04
  6. Step 6: Final answer
    x = 575,833.54

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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.