Home / 751,955.29-1,128,064.46-448,591.05

Finding the Fourth Proportional to 751,955.29, 1,128,064.46 and 448,591.05

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Solution

The fourth proportional to 751,955.29, 1,128,064.46 and 448,591.05 is: 672,965.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,955.29 : 1,128,064.46 = 448,591.05 : x
  2. Step 2: Convert to fraction form
    751,955.29/1,128,064.46 = 448,591.05/x
  3. Step 3: Cross multiply
    751,955.29x = 1,128,064.46 × 448,591.05
  4. Step 4: Simplify right side
    751,955.29x = 506,039,625,930.80
  5. Step 5: Solve for x
    x = 506,039,625,930.80/751,955.29
  6. Step 6: Final answer
    x = 672,965.04

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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.