Home / 743,765.28-1,026,391.26-404,233.53

Finding the Fourth Proportional to 743,765.28, 1,026,391.26 and 404,233.53

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Solution

The fourth proportional to 743,765.28, 1,026,391.26 and 404,233.53 is: 557,839.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,765.28 : 1,026,391.26 = 404,233.53 : x
  2. Step 2: Convert to fraction form
    743,765.28/1,026,391.26 = 404,233.53/x
  3. Step 3: Cross multiply
    743,765.28x = 1,026,391.26 × 404,233.53
  4. Step 4: Simplify right side
    743,765.28x = 414,901,762,190.95
  5. Step 5: Solve for x
    x = 414,901,762,190.95/743,765.28
  6. Step 6: Final answer
    x = 557,839.65

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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.