Home / 750,114.30-1,125,280.89-217,638.30

Finding the Fourth Proportional to 750,114.30, 1,125,280.89 and 217,638.30

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Solution

The fourth proportional to 750,114.30, 1,125,280.89 and 217,638.30 is: 326,489.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,114.30 : 1,125,280.89 = 217,638.30 : x
  2. Step 2: Convert to fraction form
    750,114.30/1,125,280.89 = 217,638.30/x
  3. Step 3: Cross multiply
    750,114.30x = 1,125,280.89 × 217,638.30
  4. Step 4: Simplify right side
    750,114.30x = 244,904,219,922.09
  5. Step 5: Solve for x
    x = 244,904,219,922.09/750,114.30
  6. Step 6: Final answer
    x = 326,489.20

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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.