Home / 751,504.25-1,037,118.70-445,761.65

Finding the Fourth Proportional to 751,504.25, 1,037,118.70 and 445,761.65

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Solution

The fourth proportional to 751,504.25, 1,037,118.70 and 445,761.65 is: 615,176.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,504.25 : 1,037,118.70 = 445,761.65 : x
  2. Step 2: Convert to fraction form
    751,504.25/1,037,118.70 = 445,761.65/x
  3. Step 3: Cross multiply
    751,504.25x = 1,037,118.70 × 445,761.65
  4. Step 4: Simplify right side
    751,504.25x = 462,307,746,107.85
  5. Step 5: Solve for x
    x = 462,307,746,107.85/751,504.25
  6. Step 6: Final answer
    x = 615,176.49

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Double scale
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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.