Home / 546,139.71-819,370.83-280,086.60

Finding the Fourth Proportional to 546,139.71, 819,370.83 and 280,086.60

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Solution

The fourth proportional to 546,139.71, 819,370.83 and 280,086.60 is: 420,212.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,139.71 : 819,370.83 = 280,086.60 : x
  2. Step 2: Convert to fraction form
    546,139.71/819,370.83 = 280,086.60/x
  3. Step 3: Cross multiply
    546,139.71x = 819,370.83 × 280,086.60
  4. Step 4: Simplify right side
    546,139.71x = 229,494,789,913.88
  5. Step 5: Solve for x
    x = 229,494,789,913.88/546,139.71
  6. Step 6: Final answer
    x = 420,212.60

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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.