Home / 752,105.63-1,128,047.68-246,720.00

Finding the Fourth Proportional to 752,105.63, 1,128,047.68 and 246,720.00

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Solution

The fourth proportional to 752,105.63, 1,128,047.68 and 246,720.00 is: 370,043.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,105.63 : 1,128,047.68 = 246,720.00 : x
  2. Step 2: Convert to fraction form
    752,105.63/1,128,047.68 = 246,720.00/x
  3. Step 3: Cross multiply
    752,105.63x = 1,128,047.68 × 246,720.00
  4. Step 4: Simplify right side
    752,105.63x = 278,311,928,148.18
  5. Step 5: Solve for x
    x = 278,311,928,148.18/752,105.63
  6. Step 6: Final answer
    x = 370,043.67

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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.