Home / 487,727.64-673,169.40-296,802.54

Finding the Fourth Proportional to 487,727.64, 673,169.40 and 296,802.54

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Solution

The fourth proportional to 487,727.64, 673,169.40 and 296,802.54 is: 409,651.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,727.64 : 673,169.40 = 296,802.54 : x
  2. Step 2: Convert to fraction form
    487,727.64/673,169.40 = 296,802.54/x
  3. Step 3: Cross multiply
    487,727.64x = 673,169.40 × 296,802.54
  4. Step 4: Simplify right side
    487,727.64x = 199,798,387,770.28
  5. Step 5: Solve for x
    x = 199,798,387,770.28/487,727.64
  6. Step 6: Final answer
    x = 409,651.56

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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.