Home / 555,579.72-766,660.28-326,146.41

Finding the Fourth Proportional to 555,579.72, 766,660.28 and 326,146.41

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Solution

The fourth proportional to 555,579.72, 766,660.28 and 326,146.41 is: 450,058.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,579.72 : 766,660.28 = 326,146.41 : x
  2. Step 2: Convert to fraction form
    555,579.72/766,660.28 = 326,146.41/x
  3. Step 3: Cross multiply
    555,579.72x = 766,660.28 × 326,146.41
  4. Step 4: Simplify right side
    555,579.72x = 250,043,496,380.86
  5. Step 5: Solve for x
    x = 250,043,496,380.86/555,579.72
  6. Step 6: Final answer
    x = 450,058.72

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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.