Home / 860,605.91-1,291,083.82-299,684.15

Finding the Fourth Proportional to 860,605.91, 1,291,083.82 and 299,684.15

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Solution

The fourth proportional to 860,605.91, 1,291,083.82 and 299,684.15 is: 449,587.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,605.91 : 1,291,083.82 = 299,684.15 : x
  2. Step 2: Convert to fraction form
    860,605.91/1,291,083.82 = 299,684.15/x
  3. Step 3: Cross multiply
    860,605.91x = 1,291,083.82 × 299,684.15
  4. Step 4: Simplify right side
    860,605.91x = 386,917,350,720.03
  5. Step 5: Solve for x
    x = 386,917,350,720.03/860,605.91
  6. Step 6: Final answer
    x = 449,587.14

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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.