Home / 779,777.12-1,169,707.52-247,338.56

Finding the Fourth Proportional to 779,777.12, 1,169,707.52 and 247,338.56

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Solution

The fourth proportional to 779,777.12, 1,169,707.52 and 247,338.56 is: 371,021.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,777.12 : 1,169,707.52 = 247,338.56 : x
  2. Step 2: Convert to fraction form
    779,777.12/1,169,707.52 = 247,338.56/x
  3. Step 3: Cross multiply
    779,777.12x = 1,169,707.52 × 247,338.56
  4. Step 4: Simplify right side
    779,777.12x = 289,313,773,617.97
  5. Step 5: Solve for x
    x = 289,313,773,617.97/779,777.12
  6. Step 6: Final answer
    x = 371,021.11

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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.