Home / 808,745.10-1,213,117.65-622,121.10

Finding the Fourth Proportional to 808,745.10, 1,213,117.65 and 622,121.10

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Solution

The fourth proportional to 808,745.10, 1,213,117.65 and 622,121.10 is: 933,181.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,745.10 : 1,213,117.65 = 622,121.10 : x
  2. Step 2: Convert to fraction form
    808,745.10/1,213,117.65 = 622,121.10/x
  3. Step 3: Cross multiply
    808,745.10x = 1,213,117.65 × 622,121.10
  4. Step 4: Simplify right side
    808,745.10x = 754,706,086,847.42
  5. Step 5: Solve for x
    x = 754,706,086,847.42/808,745.10
  6. Step 6: Final answer
    x = 933,181.65

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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.