Home / 770,775.60-1,156,163.40-739,282.80

Finding the Fourth Proportional to 770,775.60, 1,156,163.40 and 739,282.80

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Solution

The fourth proportional to 770,775.60, 1,156,163.40 and 739,282.80 is: 1,108,924.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,775.60 : 1,156,163.40 = 739,282.80 : x
  2. Step 2: Convert to fraction form
    770,775.60/1,156,163.40 = 739,282.80/x
  3. Step 3: Cross multiply
    770,775.60x = 1,156,163.40 × 739,282.80
  4. Step 4: Simplify right side
    770,775.60x = 854,731,715,609.52
  5. Step 5: Solve for x
    x = 854,731,715,609.52/770,775.60
  6. Step 6: Final answer
    x = 1,108,924.20

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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.