Home / 485,215.40-727,823.10-463,442.60

Finding the Fourth Proportional to 485,215.40, 727,823.10 and 463,442.60

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Solution

The fourth proportional to 485,215.40, 727,823.10 and 463,442.60 is: 695,163.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,215.40 : 727,823.10 = 463,442.60 : x
  2. Step 2: Convert to fraction form
    485,215.40/727,823.10 = 463,442.60/x
  3. Step 3: Cross multiply
    485,215.40x = 727,823.10 × 463,442.60
  4. Step 4: Simplify right side
    485,215.40x = 337,304,229,804.06
  5. Step 5: Solve for x
    x = 337,304,229,804.06/485,215.40
  6. Step 6: Final answer
    x = 695,163.90

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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.