Home / 752,689.09-1,038,238.46-446,548.73

Finding the Fourth Proportional to 752,689.09, 1,038,238.46 and 446,548.73

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Solution

The fourth proportional to 752,689.09, 1,038,238.46 and 446,548.73 is: 615,956.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,689.09 : 1,038,238.46 = 446,548.73 : x
  2. Step 2: Convert to fraction form
    752,689.09/1,038,238.46 = 446,548.73/x
  3. Step 3: Cross multiply
    752,689.09x = 1,038,238.46 × 446,548.73
  4. Step 4: Simplify right side
    752,689.09x = 463,624,065,750.16
  5. Step 5: Solve for x
    x = 463,624,065,750.16/752,689.09
  6. Step 6: Final answer
    x = 615,956.94

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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.