Home / 548,530.20-822,795.30-478,546.20

Finding the Fourth Proportional to 548,530.20, 822,795.30 and 478,546.20

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Solution

The fourth proportional to 548,530.20, 822,795.30 and 478,546.20 is: 717,819.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,530.20 : 822,795.30 = 478,546.20 : x
  2. Step 2: Convert to fraction form
    548,530.20/822,795.30 = 478,546.20/x
  3. Step 3: Cross multiply
    548,530.20x = 822,795.30 × 478,546.20
  4. Step 4: Simplify right side
    548,530.20x = 393,745,564,192.86
  5. Step 5: Solve for x
    x = 393,745,564,192.86/548,530.20
  6. Step 6: Final answer
    x = 717,819.30

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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.