Home / 861,858.03-1,291,888.98-482,222.16

Finding the Fourth Proportional to 861,858.03, 1,291,888.98 and 482,222.16

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Solution

The fourth proportional to 861,858.03, 1,291,888.98 and 482,222.16 is: 722,830.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,858.03 : 1,291,888.98 = 482,222.16 : x
  2. Step 2: Convert to fraction form
    861,858.03/1,291,888.98 = 482,222.16/x
  3. Step 3: Cross multiply
    861,858.03x = 1,291,888.98 × 482,222.16
  4. Step 4: Simplify right side
    861,858.03x = 622,977,494,415.80
  5. Step 5: Solve for x
    x = 622,977,494,415.80/861,858.03
  6. Step 6: Final answer
    x = 722,830.76

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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.