Home / 822,023.70-1,233,035.55-290,145.30

Finding the Fourth Proportional to 822,023.70, 1,233,035.55 and 290,145.30

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Solution

The fourth proportional to 822,023.70, 1,233,035.55 and 290,145.30 is: 435,217.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,023.70 : 1,233,035.55 = 290,145.30 : x
  2. Step 2: Convert to fraction form
    822,023.70/1,233,035.55 = 290,145.30/x
  3. Step 3: Cross multiply
    822,023.70x = 1,233,035.55 × 290,145.30
  4. Step 4: Simplify right side
    822,023.70x = 357,759,469,565.42
  5. Step 5: Solve for x
    x = 357,759,469,565.42/822,023.70
  6. Step 6: Final answer
    x = 435,217.95

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Double scale
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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.