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Finding the Fourth Proportional to 546,044.40, 819,066.60 and 280,323.90

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Solution

The fourth proportional to 546,044.40, 819,066.60 and 280,323.90 is: 420,485.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,044.40 : 819,066.60 = 280,323.90 : x
  2. Step 2: Convert to fraction form
    546,044.40/819,066.60 = 280,323.90/x
  3. Step 3: Cross multiply
    546,044.40x = 819,066.60 × 280,323.90
  4. Step 4: Simplify right side
    546,044.40x = 229,603,943,671.74
  5. Step 5: Solve for x
    x = 229,603,943,671.74/546,044.40
  6. Step 6: Final answer
    x = 420,485.85

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Similar ratio
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1.5x scale

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.