Home / 855,688.20-1,283,532.30-224,665.80

Finding the Fourth Proportional to 855,688.20, 1,283,532.30 and 224,665.80

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Solution

The fourth proportional to 855,688.20, 1,283,532.30 and 224,665.80 is: 336,998.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,688.20 : 1,283,532.30 = 224,665.80 : x
  2. Step 2: Convert to fraction form
    855,688.20/1,283,532.30 = 224,665.80/x
  3. Step 3: Cross multiply
    855,688.20x = 1,283,532.30 × 224,665.80
  4. Step 4: Simplify right side
    855,688.20x = 288,365,811,005.34
  5. Step 5: Solve for x
    x = 288,365,811,005.34/855,688.20
  6. Step 6: Final answer
    x = 336,998.70

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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.