Home / 774,223.12-1,161,408.12-300,945.04

Finding the Fourth Proportional to 774,223.12, 1,161,408.12 and 300,945.04

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Solution

The fourth proportional to 774,223.12, 1,161,408.12 and 300,945.04 is: 451,446.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,223.12 : 1,161,408.12 = 300,945.04 : x
  2. Step 2: Convert to fraction form
    774,223.12/1,161,408.12 = 300,945.04/x
  3. Step 3: Cross multiply
    774,223.12x = 1,161,408.12 × 300,945.04
  4. Step 4: Simplify right side
    774,223.12x = 349,520,013,129.73
  5. Step 5: Solve for x
    x = 349,520,013,129.73/774,223.12
  6. Step 6: Final answer
    x = 451,446.11

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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.