Home / 420,752.33-580,688.04-236,996.94

Finding the Fourth Proportional to 420,752.33, 580,688.04 and 236,996.94

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Solution

The fourth proportional to 420,752.33, 580,688.04 and 236,996.94 is: 327,083.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,752.33 : 580,688.04 = 236,996.94 : x
  2. Step 2: Convert to fraction form
    420,752.33/580,688.04 = 236,996.94/x
  3. Step 3: Cross multiply
    420,752.33x = 580,688.04 × 236,996.94
  4. Step 4: Simplify right side
    420,752.33x = 137,621,288,574.60
  5. Step 5: Solve for x
    x = 137,621,288,574.60/420,752.33
  6. Step 6: Final answer
    x = 327,083.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.