Home / 752,020.22-1,037,789.62-429,729.55

Finding the Fourth Proportional to 752,020.22, 1,037,789.62 and 429,729.55

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Solution

The fourth proportional to 752,020.22, 1,037,789.62 and 429,729.55 is: 593,027.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,020.22 : 1,037,789.62 = 429,729.55 : x
  2. Step 2: Convert to fraction form
    752,020.22/1,037,789.62 = 429,729.55/x
  3. Step 3: Cross multiply
    752,020.22x = 1,037,789.62 × 429,729.55
  4. Step 4: Simplify right side
    752,020.22x = 445,968,862,728.47
  5. Step 5: Solve for x
    x = 445,968,862,728.47/752,020.22
  6. Step 6: Final answer
    x = 593,027.75

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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.