Home / 777,721.40-1,164,249.30-731,583.80

Finding the Fourth Proportional to 777,721.40, 1,164,249.30 and 731,583.80

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Solution

The fourth proportional to 777,721.40, 1,164,249.30 and 731,583.80 is: 1,095,181.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,721.40 : 1,164,249.30 = 731,583.80 : x
  2. Step 2: Convert to fraction form
    777,721.40/1,164,249.30 = 731,583.80/x
  3. Step 3: Cross multiply
    777,721.40x = 1,164,249.30 × 731,583.80
  4. Step 4: Simplify right side
    777,721.40x = 851,745,927,041.34
  5. Step 5: Solve for x
    x = 851,745,927,041.34/777,721.40
  6. Step 6: Final answer
    x = 1,095,181.29

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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.