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Finding the Fourth Proportional to 553,217.20, 829,825.80 and 366,228.70

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Solution

The fourth proportional to 553,217.20, 829,825.80 and 366,228.70 is: 549,343.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,217.20 : 829,825.80 = 366,228.70 : x
  2. Step 2: Convert to fraction form
    553,217.20/829,825.80 = 366,228.70/x
  3. Step 3: Cross multiply
    553,217.20x = 829,825.80 × 366,228.70
  4. Step 4: Simplify right side
    553,217.20x = 303,906,023,960.46
  5. Step 5: Solve for x
    x = 303,906,023,960.46/553,217.20
  6. Step 6: Final answer
    x = 549,343.05

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Similar ratio
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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.