Home / 752,259.66-1,038,188.61-429,906.78

Finding the Fourth Proportional to 752,259.66, 1,038,188.61 and 429,906.78

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Solution

The fourth proportional to 752,259.66, 1,038,188.61 and 429,906.78 is: 593,311.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,259.66 : 1,038,188.61 = 429,906.78 : x
  2. Step 2: Convert to fraction form
    752,259.66/1,038,188.61 = 429,906.78/x
  3. Step 3: Cross multiply
    752,259.66x = 1,038,188.61 × 429,906.78
  4. Step 4: Simplify right side
    752,259.66x = 446,324,322,357.78
  5. Step 5: Solve for x
    x = 446,324,322,357.78/752,259.66
  6. Step 6: Final answer
    x = 593,311.52

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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.