Home / 778,379.02-1,167,693.37-329,104.62

Finding the Fourth Proportional to 778,379.02, 1,167,693.37 and 329,104.62

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Solution

The fourth proportional to 778,379.02, 1,167,693.37 and 329,104.62 is: 493,709.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,379.02 : 1,167,693.37 = 329,104.62 : x
  2. Step 2: Convert to fraction form
    778,379.02/1,167,693.37 = 329,104.62/x
  3. Step 3: Cross multiply
    778,379.02x = 1,167,693.37 × 329,104.62
  4. Step 4: Simplify right side
    778,379.02x = 384,293,281,987.61
  5. Step 5: Solve for x
    x = 384,293,281,987.61/778,379.02
  6. Step 6: Final answer
    x = 493,709.71

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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.