Home / 778,419.92-1,167,679.14-329,057.02

Finding the Fourth Proportional to 778,419.92, 1,167,679.14 and 329,057.02

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Solution

The fourth proportional to 778,419.92, 1,167,679.14 and 329,057.02 is: 493,606.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,419.92 : 1,167,679.14 = 329,057.02 : x
  2. Step 2: Convert to fraction form
    778,419.92/1,167,679.14 = 329,057.02/x
  3. Step 3: Cross multiply
    778,419.92x = 1,167,679.14 × 329,057.02
  4. Step 4: Simplify right side
    778,419.92x = 384,233,018,124.56
  5. Step 5: Solve for x
    x = 384,233,018,124.56/778,419.92
  6. Step 6: Final answer
    x = 493,606.35

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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.