Home / 481,985.20-722,977.80-304,838.20

Finding the Fourth Proportional to 481,985.20, 722,977.80 and 304,838.20

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Solution

The fourth proportional to 481,985.20, 722,977.80 and 304,838.20 is: 457,257.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,985.20 : 722,977.80 = 304,838.20 : x
  2. Step 2: Convert to fraction form
    481,985.20/722,977.80 = 304,838.20/x
  3. Step 3: Cross multiply
    481,985.20x = 722,977.80 × 304,838.20
  4. Step 4: Simplify right side
    481,985.20x = 220,391,251,191.96
  5. Step 5: Solve for x
    x = 220,391,251,191.96/481,985.20
  6. Step 6: Final answer
    x = 457,257.30

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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.