Home / 463,934.45-640,107.74-282,727.83

Finding the Fourth Proportional to 463,934.45, 640,107.74 and 282,727.83

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Solution

The fourth proportional to 463,934.45, 640,107.74 and 282,727.83 is: 390,090.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,934.45 : 640,107.74 = 282,727.83 : x
  2. Step 2: Convert to fraction form
    463,934.45/640,107.74 = 282,727.83/x
  3. Step 3: Cross multiply
    463,934.45x = 640,107.74 × 282,727.83
  4. Step 4: Simplify right side
    463,934.45x = 180,976,275,403.63
  5. Step 5: Solve for x
    x = 180,976,275,403.63/463,934.45
  6. Step 6: Final answer
    x = 390,090.18

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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.