Home / 831,034.40-1,246,187.10-381,605.90

Finding the Fourth Proportional to 831,034.40, 1,246,187.10 and 381,605.90

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Solution

The fourth proportional to 831,034.40, 1,246,187.10 and 381,605.90 is: 572,241.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,034.40 : 1,246,187.10 = 381,605.90 : x
  2. Step 2: Convert to fraction form
    831,034.40/1,246,187.10 = 381,605.90/x
  3. Step 3: Cross multiply
    831,034.40x = 1,246,187.10 × 381,605.90
  4. Step 4: Simplify right side
    831,034.40x = 475,552,349,863.89
  5. Step 5: Solve for x
    x = 475,552,349,863.89/831,034.40
  6. Step 6: Final answer
    x = 572,241.47

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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.