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Finding the Fourth Proportional to 548,500.20, 822,750.30 and 499,511.40

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Solution

The fourth proportional to 548,500.20, 822,750.30 and 499,511.40 is: 749,267.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,500.20 : 822,750.30 = 499,511.40 : x
  2. Step 2: Convert to fraction form
    548,500.20/822,750.30 = 499,511.40/x
  3. Step 3: Cross multiply
    548,500.20x = 822,750.30 × 499,511.40
  4. Step 4: Simplify right side
    548,500.20x = 410,973,154,203.42
  5. Step 5: Solve for x
    x = 410,973,154,203.42/548,500.20
  6. Step 6: Final answer
    x = 749,267.10

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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.