Home / 752,563.09-1,128,800.69-550,364.01

Finding the Fourth Proportional to 752,563.09, 1,128,800.69 and 550,364.01

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Solution

The fourth proportional to 752,563.09, 1,128,800.69 and 550,364.01 is: 825,513.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,563.09 : 1,128,800.69 = 550,364.01 : x
  2. Step 2: Convert to fraction form
    752,563.09/1,128,800.69 = 550,364.01/x
  3. Step 3: Cross multiply
    752,563.09x = 1,128,800.69 × 550,364.01
  4. Step 4: Simplify right side
    752,563.09x = 621,251,274,239.17
  5. Step 5: Solve for x
    x = 621,251,274,239.17/752,563.09
  6. Step 6: Final answer
    x = 825,513.88

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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.