Home / 752,323.16-1,128,570.37-272,776.79

Finding the Fourth Proportional to 752,323.16, 1,128,570.37 and 272,776.79

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Solution

The fourth proportional to 752,323.16, 1,128,570.37 and 272,776.79 is: 409,196.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,323.16 : 1,128,570.37 = 272,776.79 : x
  2. Step 2: Convert to fraction form
    752,323.16/1,128,570.37 = 272,776.79/x
  3. Step 3: Cross multiply
    752,323.16x = 1,128,570.37 × 272,776.79
  4. Step 4: Simplify right side
    752,323.16x = 307,847,805,353.97
  5. Step 5: Solve for x
    x = 307,847,805,353.97/752,323.16
  6. Step 6: Final answer
    x = 409,196.24

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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.