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Finding the Fourth Proportional to 480,115.59, 720,280.56 and 180,598.65

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Solution

The fourth proportional to 480,115.59, 720,280.56 and 180,598.65 is: 270,938.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,115.59 : 720,280.56 = 180,598.65 : x
  2. Step 2: Convert to fraction form
    480,115.59/720,280.56 = 180,598.65/x
  3. Step 3: Cross multiply
    480,115.59x = 720,280.56 × 180,598.65
  4. Step 4: Simplify right side
    480,115.59x = 130,081,696,757.24
  5. Step 5: Solve for x
    x = 130,081,696,757.24/480,115.59
  6. Step 6: Final answer
    x = 270,938.29

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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.