Home / 855,287.28-1,281,706.20-480,522.96

Finding the Fourth Proportional to 855,287.28, 1,281,706.20 and 480,522.96

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Solution

The fourth proportional to 855,287.28, 1,281,706.20 and 480,522.96 is: 720,096.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,287.28 : 1,281,706.20 = 480,522.96 : x
  2. Step 2: Convert to fraction form
    855,287.28/1,281,706.20 = 480,522.96/x
  3. Step 3: Cross multiply
    855,287.28x = 1,281,706.20 × 480,522.96
  4. Step 4: Simplify right side
    855,287.28x = 615,889,257,074.35
  5. Step 5: Solve for x
    x = 615,889,257,074.35/855,287.28
  6. Step 6: Final answer
    x = 720,096.36

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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.