Home / 548,622.70-822,934.05-455,310.70

Finding the Fourth Proportional to 548,622.70, 822,934.05 and 455,310.70

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Solution

The fourth proportional to 548,622.70, 822,934.05 and 455,310.70 is: 682,966.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,622.70 : 822,934.05 = 455,310.70 : x
  2. Step 2: Convert to fraction form
    548,622.70/822,934.05 = 455,310.70/x
  3. Step 3: Cross multiply
    548,622.70x = 822,934.05 × 455,310.70
  4. Step 4: Simplify right side
    548,622.70x = 374,690,678,359.34
  5. Step 5: Solve for x
    x = 374,690,678,359.34/548,622.70
  6. Step 6: Final answer
    x = 682,966.05

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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.