Home / 725,382.54-1,000,997.60-403,089.75

Finding the Fourth Proportional to 725,382.54, 1,000,997.60 and 403,089.75

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Solution

The fourth proportional to 725,382.54, 1,000,997.60 and 403,089.75 is: 556,247.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,382.54 : 1,000,997.60 = 403,089.75 : x
  2. Step 2: Convert to fraction form
    725,382.54/1,000,997.60 = 403,089.75/x
  3. Step 3: Cross multiply
    725,382.54x = 1,000,997.60 × 403,089.75
  4. Step 4: Simplify right side
    725,382.54x = 403,491,870,319.15
  5. Step 5: Solve for x
    x = 403,491,870,319.15/725,382.54
  6. Step 6: Final answer
    x = 556,247.01

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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.