Home / 747,604.30-1,121,665.65-327,181.90

Finding the Fourth Proportional to 747,604.30, 1,121,665.65 and 327,181.90

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Solution

The fourth proportional to 747,604.30, 1,121,665.65 and 327,181.90 is: 490,886.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,604.30 : 1,121,665.65 = 327,181.90 : x
  2. Step 2: Convert to fraction form
    747,604.30/1,121,665.65 = 327,181.90/x
  3. Step 3: Cross multiply
    747,604.30x = 1,121,665.65 × 327,181.90
  4. Step 4: Simplify right side
    747,604.30x = 366,988,698,531.74
  5. Step 5: Solve for x
    x = 366,988,698,531.74/747,604.30
  6. Step 6: Final answer
    x = 490,886.29

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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.