Home / 774,107.06-1,161,233.88-300,828.92

Finding the Fourth Proportional to 774,107.06, 1,161,233.88 and 300,828.92

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Solution

The fourth proportional to 774,107.06, 1,161,233.88 and 300,828.92 is: 451,271.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,107.06 : 1,161,233.88 = 300,828.92 : x
  2. Step 2: Convert to fraction form
    774,107.06/1,161,233.88 = 300,828.92/x
  3. Step 3: Cross multiply
    774,107.06x = 1,161,233.88 × 300,828.92
  4. Step 4: Simplify right side
    774,107.06x = 349,332,733,987.81
  5. Step 5: Solve for x
    x = 349,332,733,987.81/774,107.06
  6. Step 6: Final answer
    x = 451,271.86

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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.