Home / 522,026.20-782,456.10-222,455.80

Finding the Fourth Proportional to 522,026.20, 782,456.10 and 222,455.80

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Solution

The fourth proportional to 522,026.20, 782,456.10 and 222,455.80 is: 333,435.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,026.20 : 782,456.10 = 222,455.80 : x
  2. Step 2: Convert to fraction form
    522,026.20/782,456.10 = 222,455.80/x
  3. Step 3: Cross multiply
    522,026.20x = 782,456.10 × 222,455.80
  4. Step 4: Simplify right side
    522,026.20x = 174,061,897,690.38
  5. Step 5: Solve for x
    x = 174,061,897,690.38/522,026.20
  6. Step 6: Final answer
    x = 333,435.18

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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.