Home / 752,735.18-1,127,626.52-436,527.78

Finding the Fourth Proportional to 752,735.18, 1,127,626.52 and 436,527.78

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Solution

The fourth proportional to 752,735.18, 1,127,626.52 and 436,527.78 is: 653,935.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,735.18 : 1,127,626.52 = 436,527.78 : x
  2. Step 2: Convert to fraction form
    752,735.18/1,127,626.52 = 436,527.78/x
  3. Step 3: Cross multiply
    752,735.18x = 1,127,626.52 × 436,527.78
  4. Step 4: Simplify right side
    752,735.18x = 492,240,301,444.73
  5. Step 5: Solve for x
    x = 492,240,301,444.73/752,735.18
  6. Step 6: Final answer
    x = 653,935.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.