Home / 622,091.10-934,120.80-472,500.30

Finding the Fourth Proportional to 622,091.10, 934,120.80 and 472,500.30

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Solution

The fourth proportional to 622,091.10, 934,120.80 and 472,500.30 is: 709,497.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,091.10 : 934,120.80 = 472,500.30 : x
  2. Step 2: Convert to fraction form
    622,091.10/934,120.80 = 472,500.30/x
  3. Step 3: Cross multiply
    622,091.10x = 934,120.80 × 472,500.30
  4. Step 4: Simplify right side
    622,091.10x = 441,372,358,236.24
  5. Step 5: Solve for x
    x = 441,372,358,236.24/622,091.10
  6. Step 6: Final answer
    x = 709,497.95

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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.