Home / 738,719.68-1,019,033.76-494,127.04

Finding the Fourth Proportional to 738,719.68, 1,019,033.76 and 494,127.04

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Solution

The fourth proportional to 738,719.68, 1,019,033.76 and 494,127.04 is: 681,628.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,719.68 : 1,019,033.76 = 494,127.04 : x
  2. Step 2: Convert to fraction form
    738,719.68/1,019,033.76 = 494,127.04/x
  3. Step 3: Cross multiply
    738,719.68x = 1,019,033.76 × 494,127.04
  4. Step 4: Simplify right side
    738,719.68x = 503,532,135,488.87
  5. Step 5: Solve for x
    x = 503,532,135,488.87/738,719.68
  6. Step 6: Final answer
    x = 681,628.16

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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.