Home / 774,102.06-1,161,226.38-300,823.92

Finding the Fourth Proportional to 774,102.06, 1,161,226.38 and 300,823.92

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Solution

The fourth proportional to 774,102.06, 1,161,226.38 and 300,823.92 is: 451,264.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,102.06 : 1,161,226.38 = 300,823.92 : x
  2. Step 2: Convert to fraction form
    774,102.06/1,161,226.38 = 300,823.92/x
  3. Step 3: Cross multiply
    774,102.06x = 1,161,226.38 × 300,823.92
  4. Step 4: Simplify right side
    774,102.06x = 349,324,671,639.01
  5. Step 5: Solve for x
    x = 349,324,671,639.01/774,102.06
  6. Step 6: Final answer
    x = 451,264.36

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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.