Home / 794,137.60-1,191,206.40-261,740.80

Finding the Fourth Proportional to 794,137.60, 1,191,206.40 and 261,740.80

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Solution

The fourth proportional to 794,137.60, 1,191,206.40 and 261,740.80 is: 392,611.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,137.60 : 1,191,206.40 = 261,740.80 : x
  2. Step 2: Convert to fraction form
    794,137.60/1,191,206.40 = 261,740.80/x
  3. Step 3: Cross multiply
    794,137.60x = 1,191,206.40 × 261,740.80
  4. Step 4: Simplify right side
    794,137.60x = 311,787,316,101.12
  5. Step 5: Solve for x
    x = 311,787,316,101.12/794,137.60
  6. Step 6: Final answer
    x = 392,611.20

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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.