Home / 864,452.25-1,296,781.92-265,334.94

Finding the Fourth Proportional to 864,452.25, 1,296,781.92 and 265,334.94

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Solution

The fourth proportional to 864,452.25, 1,296,781.92 and 265,334.94 is: 398,034.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,452.25 : 1,296,781.92 = 265,334.94 : x
  2. Step 2: Convert to fraction form
    864,452.25/1,296,781.92 = 265,334.94/x
  3. Step 3: Cross multiply
    864,452.25x = 1,296,781.92 × 265,334.94
  4. Step 4: Simplify right side
    864,452.25x = 344,081,552,936.29
  5. Step 5: Solve for x
    x = 344,081,552,936.29/864,452.25
  6. Step 6: Final answer
    x = 398,034.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.