Home / 752,038.20-1,128,164.50-246,638.72

Finding the Fourth Proportional to 752,038.20, 1,128,164.50 and 246,638.72

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Solution

The fourth proportional to 752,038.20, 1,128,164.50 and 246,638.72 is: 369,993.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,038.20 : 1,128,164.50 = 246,638.72 : x
  2. Step 2: Convert to fraction form
    752,038.20/1,128,164.50 = 246,638.72/x
  3. Step 3: Cross multiply
    752,038.20x = 1,128,164.50 × 246,638.72
  4. Step 4: Simplify right side
    752,038.20x = 278,249,048,229.44
  5. Step 5: Solve for x
    x = 278,249,048,229.44/752,038.20
  6. Step 6: Final answer
    x = 369,993.24

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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.