Home / 487,717.61-673,076.45-272,844.86

Finding the Fourth Proportional to 487,717.61, 673,076.45 and 272,844.86

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Solution

The fourth proportional to 487,717.61, 673,076.45 and 272,844.86 is: 376,540.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,717.61 : 673,076.45 = 272,844.86 : x
  2. Step 2: Convert to fraction form
    487,717.61/673,076.45 = 272,844.86/x
  3. Step 3: Cross multiply
    487,717.61x = 673,076.45 × 272,844.86
  4. Step 4: Simplify right side
    487,717.61x = 183,645,448,587.15
  5. Step 5: Solve for x
    x = 183,645,448,587.15/487,717.61
  6. Step 6: Final answer
    x = 376,540.53

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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.