Home / 775,905.72-1,163,859.23-371,002.66

Finding the Fourth Proportional to 775,905.72, 1,163,859.23 and 371,002.66

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Solution

The fourth proportional to 775,905.72, 1,163,859.23 and 371,002.66 is: 556,504.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,905.72 : 1,163,859.23 = 371,002.66 : x
  2. Step 2: Convert to fraction form
    775,905.72/1,163,859.23 = 371,002.66/x
  3. Step 3: Cross multiply
    775,905.72x = 1,163,859.23 × 371,002.66
  4. Step 4: Simplify right side
    775,905.72x = 431,794,866,822.15
  5. Step 5: Solve for x
    x = 431,794,866,822.15/775,905.72
  6. Step 6: Final answer
    x = 556,504.30

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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.