Home / 880,861.80-1,215,674.60-493,742.98

Finding the Fourth Proportional to 880,861.80, 1,215,674.60 and 493,742.98

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Solution

The fourth proportional to 880,861.80, 1,215,674.60 and 493,742.98 is: 681,413.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,861.80 : 1,215,674.60 = 493,742.98 : x
  2. Step 2: Convert to fraction form
    880,861.80/1,215,674.60 = 493,742.98/x
  3. Step 3: Cross multiply
    880,861.80x = 1,215,674.60 × 493,742.98
  4. Step 4: Simplify right side
    880,861.80x = 600,230,799,714.31
  5. Step 5: Solve for x
    x = 600,230,799,714.31/880,861.80
  6. Step 6: Final answer
    x = 681,413.13

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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.