Home / 775,379.40-1,162,915.77-736,929.36

Finding the Fourth Proportional to 775,379.40, 1,162,915.77 and 736,929.36

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Solution

The fourth proportional to 775,379.40, 1,162,915.77 and 736,929.36 is: 1,105,248.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,379.40 : 1,162,915.77 = 736,929.36 : x
  2. Step 2: Convert to fraction form
    775,379.40/1,162,915.77 = 736,929.36/x
  3. Step 3: Cross multiply
    775,379.40x = 1,162,915.77 × 736,929.36
  4. Step 4: Simplify right side
    775,379.40x = 856,986,764,620.78
  5. Step 5: Solve for x
    x = 856,986,764,620.78/775,379.40
  6. Step 6: Final answer
    x = 1,105,248.31

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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.