Home / 744,839.91-1,027,699.88-438,928.83

Finding the Fourth Proportional to 744,839.91, 1,027,699.88 and 438,928.83

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Solution

The fourth proportional to 744,839.91, 1,027,699.88 and 438,928.83 is: 605,616.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,839.91 : 1,027,699.88 = 438,928.83 : x
  2. Step 2: Convert to fraction form
    744,839.91/1,027,699.88 = 438,928.83/x
  3. Step 3: Cross multiply
    744,839.91x = 1,027,699.88 × 438,928.83
  4. Step 4: Simplify right side
    744,839.91x = 451,087,103,724.90
  5. Step 5: Solve for x
    x = 451,087,103,724.90/744,839.91
  6. Step 6: Final answer
    x = 605,616.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.