Home / 799,612.44-1,198,680.54-399,905.39

Finding the Fourth Proportional to 799,612.44, 1,198,680.54 and 399,905.39

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Solution

The fourth proportional to 799,612.44, 1,198,680.54 and 399,905.39 is: 599,488.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,612.44 : 1,198,680.54 = 399,905.39 : x
  2. Step 2: Convert to fraction form
    799,612.44/1,198,680.54 = 399,905.39/x
  3. Step 3: Cross multiply
    799,612.44x = 1,198,680.54 × 399,905.39
  4. Step 4: Simplify right side
    799,612.44x = 479,358,808,834.11
  5. Step 5: Solve for x
    x = 479,358,808,834.11/799,612.44
  6. Step 6: Final answer
    x = 599,488.93

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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.