Home / 480,947.28-720,730.80-270,141.54

Finding the Fourth Proportional to 480,947.28, 720,730.80 and 270,141.54

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Solution

The fourth proportional to 480,947.28, 720,730.80 and 270,141.54 is: 404,824.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,947.28 : 720,730.80 = 270,141.54 : x
  2. Step 2: Convert to fraction form
    480,947.28/720,730.80 = 270,141.54/x
  3. Step 3: Cross multiply
    480,947.28x = 720,730.80 × 270,141.54
  4. Step 4: Simplify right side
    480,947.28x = 194,699,328,237.43
  5. Step 5: Solve for x
    x = 194,699,328,237.43/480,947.28
  6. Step 6: Final answer
    x = 404,824.68

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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.