Home / 480,559.42-720,829.41-143,601.04

Finding the Fourth Proportional to 480,559.42, 720,829.41 and 143,601.04

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Solution

The fourth proportional to 480,559.42, 720,829.41 and 143,601.04 is: 215,398.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,559.42 : 720,829.41 = 143,601.04 : x
  2. Step 2: Convert to fraction form
    480,559.42/720,829.41 = 143,601.04/x
  3. Step 3: Cross multiply
    480,559.42x = 720,829.41 × 143,601.04
  4. Step 4: Simplify right side
    480,559.42x = 103,511,852,938.59
  5. Step 5: Solve for x
    x = 103,511,852,938.59/480,559.42
  6. Step 6: Final answer
    x = 215,398.66

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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.