Home / 421,013.57-580,991.94-230,022.86

Finding the Fourth Proportional to 421,013.57, 580,991.94 and 230,022.86

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Solution

The fourth proportional to 421,013.57, 580,991.94 and 230,022.86 is: 317,427.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,013.57 : 580,991.94 = 230,022.86 : x
  2. Step 2: Convert to fraction form
    421,013.57/580,991.94 = 230,022.86/x
  3. Step 3: Cross multiply
    421,013.57x = 580,991.94 × 230,022.86
  4. Step 4: Simplify right side
    421,013.57x = 133,641,424,770.79
  5. Step 5: Solve for x
    x = 133,641,424,770.79/421,013.57
  6. Step 6: Final answer
    x = 317,427.84

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1.5x scale

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.