Home / 855,685.20-1,283,527.80-224,662.80

Finding the Fourth Proportional to 855,685.20, 1,283,527.80 and 224,662.80

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Solution

The fourth proportional to 855,685.20, 1,283,527.80 and 224,662.80 is: 336,994.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,685.20 : 1,283,527.80 = 224,662.80 : x
  2. Step 2: Convert to fraction form
    855,685.20/1,283,527.80 = 224,662.80/x
  3. Step 3: Cross multiply
    855,685.20x = 1,283,527.80 × 224,662.80
  4. Step 4: Simplify right side
    855,685.20x = 288,360,949,425.84
  5. Step 5: Solve for x
    x = 288,360,949,425.84/855,685.20
  6. Step 6: Final answer
    x = 336,994.20

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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.