Home / 937,229.80-1,405,959.90-305,972.20

Finding the Fourth Proportional to 937,229.80, 1,405,959.90 and 305,972.20

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Solution

The fourth proportional to 937,229.80, 1,405,959.90 and 305,972.20 is: 458,995.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,229.80 : 1,405,959.90 = 305,972.20 : x
  2. Step 2: Convert to fraction form
    937,229.80/1,405,959.90 = 305,972.20/x
  3. Step 3: Cross multiply
    937,229.80x = 1,405,959.90 × 305,972.20
  4. Step 4: Simplify right side
    937,229.80x = 430,184,643,714.78
  5. Step 5: Solve for x
    x = 430,184,643,714.78/937,229.80
  6. Step 6: Final answer
    x = 458,995.91

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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.