Home / 752,929.80-1,039,000.66-438,697.11

Finding the Fourth Proportional to 752,929.80, 1,039,000.66 and 438,697.11

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Solution

The fourth proportional to 752,929.80, 1,039,000.66 and 438,697.11 is: 605,377.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,929.80 : 1,039,000.66 = 438,697.11 : x
  2. Step 2: Convert to fraction form
    752,929.80/1,039,000.66 = 438,697.11/x
  3. Step 3: Cross multiply
    752,929.80x = 1,039,000.66 × 438,697.11
  4. Step 4: Simplify right side
    752,929.80x = 455,806,586,830.09
  5. Step 5: Solve for x
    x = 455,806,586,830.09/752,929.80
  6. Step 6: Final answer
    x = 605,377.27

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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.