Home / 752,785.65-1,037,408.54-738,949.23

Finding the Fourth Proportional to 752,785.65, 1,037,408.54 and 738,949.23

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Solution

The fourth proportional to 752,785.65, 1,037,408.54 and 738,949.23 is: 1,018,340.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,785.65 : 1,037,408.54 = 738,949.23 : x
  2. Step 2: Convert to fraction form
    752,785.65/1,037,408.54 = 738,949.23/x
  3. Step 3: Cross multiply
    752,785.65x = 1,037,408.54 × 738,949.23
  4. Step 4: Simplify right side
    752,785.65x = 766,592,238,133.68
  5. Step 5: Solve for x
    x = 766,592,238,133.68/752,785.65
  6. Step 6: Final answer
    x = 1,018,340.66

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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.