Home / 752,716.60-1,038,710.22-446,805.88

Finding the Fourth Proportional to 752,716.60, 1,038,710.22 and 446,805.88

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Solution

The fourth proportional to 752,716.60, 1,038,710.22 and 446,805.88 is: 616,569.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,716.60 : 1,038,710.22 = 446,805.88 : x
  2. Step 2: Convert to fraction form
    752,716.60/1,038,710.22 = 446,805.88/x
  3. Step 3: Cross multiply
    752,716.60x = 1,038,710.22 × 446,805.88
  4. Step 4: Simplify right side
    752,716.60x = 464,101,833,912.09
  5. Step 5: Solve for x
    x = 464,101,833,912.09/752,716.60
  6. Step 6: Final answer
    x = 616,569.15

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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.