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Finding the Fourth Proportional to 546,750.70, 820,126.05 and 321,880.30

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Solution

The fourth proportional to 546,750.70, 820,126.05 and 321,880.30 is: 482,820.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,750.70 : 820,126.05 = 321,880.30 : x
  2. Step 2: Convert to fraction form
    546,750.70/820,126.05 = 321,880.30/x
  3. Step 3: Cross multiply
    546,750.70x = 820,126.05 × 321,880.30
  4. Step 4: Simplify right side
    546,750.70x = 263,982,419,011.82
  5. Step 5: Solve for x
    x = 263,982,419,011.82/546,750.70
  6. Step 6: Final answer
    x = 482,820.45

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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.