Home / 791,077.35-1,186,671.37-391,610.87

Finding the Fourth Proportional to 791,077.35, 1,186,671.37 and 391,610.87

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Solution

The fourth proportional to 791,077.35, 1,186,671.37 and 391,610.87 is: 587,443.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,077.35 : 1,186,671.37 = 391,610.87 : x
  2. Step 2: Convert to fraction form
    791,077.35/1,186,671.37 = 391,610.87/x
  3. Step 3: Cross multiply
    791,077.35x = 1,186,671.37 × 391,610.87
  4. Step 4: Simplify right side
    791,077.35x = 464,713,401,676.44
  5. Step 5: Solve for x
    x = 464,713,401,676.44/791,077.35
  6. Step 6: Final answer
    x = 587,443.70

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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.