Home / 782,292.40-1,081,537.83-578,021.14

Finding the Fourth Proportional to 782,292.40, 1,081,537.83 and 578,021.14

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Solution

The fourth proportional to 782,292.40, 1,081,537.83 and 578,021.14 is: 799,127.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,292.40 : 1,081,537.83 = 578,021.14 : x
  2. Step 2: Convert to fraction form
    782,292.40/1,081,537.83 = 578,021.14/x
  3. Step 3: Cross multiply
    782,292.40x = 1,081,537.83 × 578,021.14
  4. Step 4: Simplify right side
    782,292.40x = 625,151,729,449.73
  5. Step 5: Solve for x
    x = 625,151,729,449.73/782,292.40
  6. Step 6: Final answer
    x = 799,127.96

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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.