Home / 752,148.16-1,128,554.27-303,744.81

Finding the Fourth Proportional to 752,148.16, 1,128,554.27 and 303,744.81

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Solution

The fourth proportional to 752,148.16, 1,128,554.27 and 303,744.81 is: 455,751.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,148.16 : 1,128,554.27 = 303,744.81 : x
  2. Step 2: Convert to fraction form
    752,148.16/1,128,554.27 = 303,744.81/x
  3. Step 3: Cross multiply
    752,148.16x = 1,128,554.27 × 303,744.81
  4. Step 4: Simplify right side
    752,148.16x = 342,792,502,315.84
  5. Step 5: Solve for x
    x = 342,792,502,315.84/752,148.16
  6. Step 6: Final answer
    x = 455,751.30

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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.