Home / 748,885.25-1,033,460.96-404,720.97

Finding the Fourth Proportional to 748,885.25, 1,033,460.96 and 404,720.97

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Solution

The fourth proportional to 748,885.25, 1,033,460.96 and 404,720.97 is: 558,514.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,885.25 : 1,033,460.96 = 404,720.97 : x
  2. Step 2: Convert to fraction form
    748,885.25/1,033,460.96 = 404,720.97/x
  3. Step 3: Cross multiply
    748,885.25x = 1,033,460.96 × 404,720.97
  4. Step 4: Simplify right side
    748,885.25x = 418,263,320,164.73
  5. Step 5: Solve for x
    x = 418,263,320,164.73/748,885.25
  6. Step 6: Final answer
    x = 558,514.57

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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.