Home / 744,873.12-1,116,820.08-491,380.56

Finding the Fourth Proportional to 744,873.12, 1,116,820.08 and 491,380.56

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Solution

The fourth proportional to 744,873.12, 1,116,820.08 and 491,380.56 is: 736,747.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,873.12 : 1,116,820.08 = 491,380.56 : x
  2. Step 2: Convert to fraction form
    744,873.12/1,116,820.08 = 491,380.56/x
  3. Step 3: Cross multiply
    744,873.12x = 1,116,820.08 × 491,380.56
  4. Step 4: Simplify right side
    744,873.12x = 548,783,676,329.65
  5. Step 5: Solve for x
    x = 548,783,676,329.65/744,873.12
  6. Step 6: Final answer
    x = 736,747.86

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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.