Home / 691,060.60-1,036,736.34-391,684.60

Finding the Fourth Proportional to 691,060.60, 1,036,736.34 and 391,684.60

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Solution

The fourth proportional to 691,060.60, 1,036,736.34 and 391,684.60 is: 587,609.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,060.60 : 1,036,736.34 = 391,684.60 : x
  2. Step 2: Convert to fraction form
    691,060.60/1,036,736.34 = 391,684.60/x
  3. Step 3: Cross multiply
    691,060.60x = 1,036,736.34 × 391,684.60
  4. Step 4: Simplify right side
    691,060.60x = 406,073,658,638.36
  5. Step 5: Solve for x
    x = 406,073,658,638.36/691,060.60
  6. Step 6: Final answer
    x = 587,609.33

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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.