Home / 725,752.38-1,001,572.44-403,467.84

Finding the Fourth Proportional to 725,752.38, 1,001,572.44 and 403,467.84

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Solution

The fourth proportional to 725,752.38, 1,001,572.44 and 403,467.84 is: 556,804.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,752.38 : 1,001,572.44 = 403,467.84 : x
  2. Step 2: Convert to fraction form
    725,752.38/1,001,572.44 = 403,467.84/x
  3. Step 3: Cross multiply
    725,752.38x = 1,001,572.44 × 403,467.84
  4. Step 4: Simplify right side
    725,752.38x = 404,102,268,970.33
  5. Step 5: Solve for x
    x = 404,102,268,970.33/725,752.38
  6. Step 6: Final answer
    x = 556,804.61

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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.