Home / 726,012.08-1,088,353.92-305,317.52

Finding the Fourth Proportional to 726,012.08, 1,088,353.92 and 305,317.52

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Solution

The fourth proportional to 726,012.08, 1,088,353.92 and 305,317.52 is: 457,696.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,012.08 : 1,088,353.92 = 305,317.52 : x
  2. Step 2: Convert to fraction form
    726,012.08/1,088,353.92 = 305,317.52/x
  3. Step 3: Cross multiply
    726,012.08x = 1,088,353.92 × 305,317.52
  4. Step 4: Simplify right side
    726,012.08x = 332,293,519,736.68
  5. Step 5: Solve for x
    x = 332,293,519,736.68/726,012.08
  6. Step 6: Final answer
    x = 457,696.96

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1.5x scale

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.