Home / 752,687.09-1,038,235.70-446,546.73

Finding the Fourth Proportional to 752,687.09, 1,038,235.70 and 446,546.73

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Solution

The fourth proportional to 752,687.09, 1,038,235.70 and 446,546.73 is: 615,954.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,687.09 : 1,038,235.70 = 446,546.73 : x
  2. Step 2: Convert to fraction form
    752,687.09/1,038,235.70 = 446,546.73/x
  3. Step 3: Cross multiply
    752,687.09x = 1,038,235.70 × 446,546.73
  4. Step 4: Simplify right side
    752,687.09x = 463,620,756,804.26
  5. Step 5: Solve for x
    x = 463,620,756,804.26/752,687.09
  6. Step 6: Final answer
    x = 615,954.18

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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.