Home / 817,042.55-1,225,563.92-218,005.93

Finding the Fourth Proportional to 817,042.55, 1,225,563.92 and 218,005.93

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Solution

The fourth proportional to 817,042.55, 1,225,563.92 and 218,005.93 is: 327,008.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,042.55 : 1,225,563.92 = 218,005.93 : x
  2. Step 2: Convert to fraction form
    817,042.55/1,225,563.92 = 218,005.93/x
  3. Step 3: Cross multiply
    817,042.55x = 1,225,563.92 × 218,005.93
  4. Step 4: Simplify right side
    817,042.55x = 267,180,203,413.49
  5. Step 5: Solve for x
    x = 267,180,203,413.49/817,042.55
  6. Step 6: Final answer
    x = 327,008.92

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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.