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Finding the Fourth Proportional to 546,533.70, 819,800.55 and 321,663.30

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Solution

The fourth proportional to 546,533.70, 819,800.55 and 321,663.30 is: 482,494.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,533.70 : 819,800.55 = 321,663.30 : x
  2. Step 2: Convert to fraction form
    546,533.70/819,800.55 = 321,663.30/x
  3. Step 3: Cross multiply
    546,533.70x = 819,800.55 × 321,663.30
  4. Step 4: Simplify right side
    546,533.70x = 263,699,750,254.82
  5. Step 5: Solve for x
    x = 263,699,750,254.82/546,533.70
  6. Step 6: Final answer
    x = 482,494.95

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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.