Home / 789,483.15-1,184,299.75-220,864.36

Finding the Fourth Proportional to 789,483.15, 1,184,299.75 and 220,864.36

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Solution

The fourth proportional to 789,483.15, 1,184,299.75 and 220,864.36 is: 331,317.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,483.15 : 1,184,299.75 = 220,864.36 : x
  2. Step 2: Convert to fraction form
    789,483.15/1,184,299.75 = 220,864.36/x
  3. Step 3: Cross multiply
    789,483.15x = 1,184,299.75 × 220,864.36
  4. Step 4: Simplify right side
    789,483.15x = 261,569,606,331.91
  5. Step 5: Solve for x
    x = 261,569,606,331.91/789,483.15
  6. Step 6: Final answer
    x = 331,317.53

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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.