Home / 738,718.68-1,019,032.38-494,126.04

Finding the Fourth Proportional to 738,718.68, 1,019,032.38 and 494,126.04

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Solution

The fourth proportional to 738,718.68, 1,019,032.38 and 494,126.04 is: 681,626.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,718.68 : 1,019,032.38 = 494,126.04 : x
  2. Step 2: Convert to fraction form
    738,718.68/1,019,032.38 = 494,126.04/x
  3. Step 3: Cross multiply
    738,718.68x = 1,019,032.38 × 494,126.04
  4. Step 4: Simplify right side
    738,718.68x = 503,530,434,561.18
  5. Step 5: Solve for x
    x = 503,530,434,561.18/738,718.68
  6. Step 6: Final answer
    x = 681,626.78

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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.