Home / 770,820.80-1,156,231.20-735,828.80

Finding the Fourth Proportional to 770,820.80, 1,156,231.20 and 735,828.80

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Solution

The fourth proportional to 770,820.80, 1,156,231.20 and 735,828.80 is: 1,103,743.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,820.80 : 1,156,231.20 = 735,828.80 : x
  2. Step 2: Convert to fraction form
    770,820.80/1,156,231.20 = 735,828.80/x
  3. Step 3: Cross multiply
    770,820.80x = 1,156,231.20 × 735,828.80
  4. Step 4: Simplify right side
    770,820.80x = 850,788,216,418.56
  5. Step 5: Solve for x
    x = 850,788,216,418.56/770,820.80
  6. Step 6: Final answer
    x = 1,103,743.20

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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.