Home / 779,820.14-1,169,229.54-324,726.42

Finding the Fourth Proportional to 779,820.14, 1,169,229.54 and 324,726.42

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Solution

The fourth proportional to 779,820.14, 1,169,229.54 and 324,726.42 is: 486,881.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,820.14 : 1,169,229.54 = 324,726.42 : x
  2. Step 2: Convert to fraction form
    779,820.14/1,169,229.54 = 324,726.42/x
  3. Step 3: Cross multiply
    779,820.14x = 1,169,229.54 × 324,726.42
  4. Step 4: Simplify right side
    779,820.14x = 379,679,722,682.45
  5. Step 5: Solve for x
    x = 379,679,722,682.45/779,820.14
  6. Step 6: Final answer
    x = 486,881.15

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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.