Home / 879,291.20-1,318,936.80-574,860.80

Finding the Fourth Proportional to 879,291.20, 1,318,936.80 and 574,860.80

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Solution

The fourth proportional to 879,291.20, 1,318,936.80 and 574,860.80 is: 862,291.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,291.20 : 1,318,936.80 = 574,860.80 : x
  2. Step 2: Convert to fraction form
    879,291.20/1,318,936.80 = 574,860.80/x
  3. Step 3: Cross multiply
    879,291.20x = 1,318,936.80 × 574,860.80
  4. Step 4: Simplify right side
    879,291.20x = 758,205,063,997.44
  5. Step 5: Solve for x
    x = 758,205,063,997.44/879,291.20
  6. Step 6: Final answer
    x = 862,291.20

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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.