Home / 863,978.22-1,295,918.85-264,937.74

Finding the Fourth Proportional to 863,978.22, 1,295,918.85 and 264,937.74

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Solution

The fourth proportional to 863,978.22, 1,295,918.85 and 264,937.74 is: 397,391.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,978.22 : 1,295,918.85 = 264,937.74 : x
  2. Step 2: Convert to fraction form
    863,978.22/1,295,918.85 = 264,937.74/x
  3. Step 3: Cross multiply
    863,978.22x = 1,295,918.85 × 264,937.74
  4. Step 4: Simplify right side
    863,978.22x = 343,337,805,985.95
  5. Step 5: Solve for x
    x = 343,337,805,985.95/863,978.22
  6. Step 6: Final answer
    x = 397,391.74

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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.