Home / 752,777.07-1,128,306.53-303,210.03

Finding the Fourth Proportional to 752,777.07, 1,128,306.53 and 303,210.03

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Solution

The fourth proportional to 752,777.07, 1,128,306.53 and 303,210.03 is: 454,469.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,777.07 : 1,128,306.53 = 303,210.03 : x
  2. Step 2: Convert to fraction form
    752,777.07/1,128,306.53 = 303,210.03/x
  3. Step 3: Cross multiply
    752,777.07x = 1,128,306.53 × 303,210.03
  4. Step 4: Simplify right side
    752,777.07x = 342,113,855,294.45
  5. Step 5: Solve for x
    x = 342,113,855,294.45/752,777.07
  6. Step 6: Final answer
    x = 454,469.02

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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.