Home / 752,565.09-1,128,803.69-550,366.01

Finding the Fourth Proportional to 752,565.09, 1,128,803.69 and 550,366.01

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Solution

The fourth proportional to 752,565.09, 1,128,803.69 and 550,366.01 is: 825,516.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,565.09 : 1,128,803.69 = 550,366.01 : x
  2. Step 2: Convert to fraction form
    752,565.09/1,128,803.69 = 550,366.01/x
  3. Step 3: Cross multiply
    752,565.09x = 1,128,803.69 × 550,366.01
  4. Step 4: Simplify right side
    752,565.09x = 621,255,182,938.58
  5. Step 5: Solve for x
    x = 621,255,182,938.58/752,565.09
  6. Step 6: Final answer
    x = 825,516.88

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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.