Home / 975,834.78-1,347,478.66-613,375.38

Finding the Fourth Proportional to 975,834.78, 1,347,478.66 and 613,375.38

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Solution

The fourth proportional to 975,834.78, 1,347,478.66 and 613,375.38 is: 846,977.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,834.78 : 1,347,478.66 = 613,375.38 : x
  2. Step 2: Convert to fraction form
    975,834.78/1,347,478.66 = 613,375.38/x
  3. Step 3: Cross multiply
    975,834.78x = 1,347,478.66 × 613,375.38
  4. Step 4: Simplify right side
    975,834.78x = 826,510,235,119.39
  5. Step 5: Solve for x
    x = 826,510,235,119.39/975,834.78
  6. Step 6: Final answer
    x = 846,977.64

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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.