Home / 727,858.62-1,092,126.11-278,430.93

Finding the Fourth Proportional to 727,858.62, 1,092,126.11 and 278,430.93

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Solution

The fourth proportional to 727,858.62, 1,092,126.11 and 278,430.93 is: 417,775.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,858.62 : 1,092,126.11 = 278,430.93 : x
  2. Step 2: Convert to fraction form
    727,858.62/1,092,126.11 = 278,430.93/x
  3. Step 3: Cross multiply
    727,858.62x = 1,092,126.11 × 278,430.93
  4. Step 4: Simplify right side
    727,858.62x = 304,081,687,092.43
  5. Step 5: Solve for x
    x = 304,081,687,092.43/727,858.62
  6. Step 6: Final answer
    x = 417,775.76

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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.