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Finding the Fourth Proportional to 480,399.68, 662,860.32 and 301,471.04

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Solution

The fourth proportional to 480,399.68, 662,860.32 and 301,471.04 is: 415,972.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,399.68 : 662,860.32 = 301,471.04 : x
  2. Step 2: Convert to fraction form
    480,399.68/662,860.32 = 301,471.04/x
  3. Step 3: Cross multiply
    480,399.68x = 662,860.32 × 301,471.04
  4. Step 4: Simplify right side
    480,399.68x = 199,833,190,045.13
  5. Step 5: Solve for x
    x = 199,833,190,045.13/480,399.68
  6. Step 6: Final answer
    x = 415,972.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.