Home / 547,581.60-822,601.20-381,693.60

Finding the Fourth Proportional to 547,581.60, 822,601.20 and 381,693.60

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Solution

The fourth proportional to 547,581.60, 822,601.20 and 381,693.60 is: 573,396.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,581.60 : 822,601.20 = 381,693.60 : x
  2. Step 2: Convert to fraction form
    547,581.60/822,601.20 = 381,693.60/x
  3. Step 3: Cross multiply
    547,581.60x = 822,601.20 × 381,693.60
  4. Step 4: Simplify right side
    547,581.60x = 313,981,613,392.32
  5. Step 5: Solve for x
    x = 313,981,613,392.32/547,581.60
  6. Step 6: Final answer
    x = 573,396.94

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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.