Home / 778,167.20-1,166,602.80-329,232.80

Finding the Fourth Proportional to 778,167.20, 1,166,602.80 and 329,232.80

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Solution

The fourth proportional to 778,167.20, 1,166,602.80 and 329,232.80 is: 493,575.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,167.20 : 1,166,602.80 = 329,232.80 : x
  2. Step 2: Convert to fraction form
    778,167.20/1,166,602.80 = 329,232.80/x
  3. Step 3: Cross multiply
    778,167.20x = 1,166,602.80 × 329,232.80
  4. Step 4: Simplify right side
    778,167.20x = 384,083,906,331.84
  5. Step 5: Solve for x
    x = 384,083,906,331.84/778,167.20
  6. Step 6: Final answer
    x = 493,575.04

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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.