Home / 791,047.60-1,186,279.80-391,555.60

Finding the Fourth Proportional to 791,047.60, 1,186,279.80 and 391,555.60

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Solution

The fourth proportional to 791,047.60, 1,186,279.80 and 391,555.60 is: 587,189.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,047.60 : 1,186,279.80 = 391,555.60 : x
  2. Step 2: Convert to fraction form
    791,047.60/1,186,279.80 = 391,555.60/x
  3. Step 3: Cross multiply
    791,047.60x = 1,186,279.80 × 391,555.60
  4. Step 4: Simplify right side
    791,047.60x = 464,494,498,856.88
  5. Step 5: Solve for x
    x = 464,494,498,856.88/791,047.60
  6. Step 6: Final answer
    x = 587,189.06

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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.