Home / 543,476.20-814,785.55-343,374.81

Finding the Fourth Proportional to 543,476.20, 814,785.55 and 343,374.81

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Solution

The fourth proportional to 543,476.20, 814,785.55 and 343,374.81 is: 514,791.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,476.20 : 814,785.55 = 343,374.81 : x
  2. Step 2: Convert to fraction form
    543,476.20/814,785.55 = 343,374.81/x
  3. Step 3: Cross multiply
    543,476.20x = 814,785.55 × 343,374.81
  4. Step 4: Simplify right side
    543,476.20x = 279,776,833,422.00
  5. Step 5: Solve for x
    x = 279,776,833,422.00/543,476.20
  6. Step 6: Final answer
    x = 514,791.33

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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.