Home / 752,853.80-1,038,481.70-446,728.44

Finding the Fourth Proportional to 752,853.80, 1,038,481.70 and 446,728.44

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Solution

The fourth proportional to 752,853.80, 1,038,481.70 and 446,728.44 is: 616,214.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,853.80 : 1,038,481.70 = 446,728.44 : x
  2. Step 2: Convert to fraction form
    752,853.80/1,038,481.70 = 446,728.44/x
  3. Step 3: Cross multiply
    752,853.80x = 1,038,481.70 × 446,728.44
  4. Step 4: Simplify right side
    752,853.80x = 463,919,309,809.55
  5. Step 5: Solve for x
    x = 463,919,309,809.55/752,853.80
  6. Step 6: Final answer
    x = 616,214.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.