Home / 437,234.81-654,370.86-268,861.78

Finding the Fourth Proportional to 437,234.81, 654,370.86 and 268,861.78

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Solution

The fourth proportional to 437,234.81, 654,370.86 and 268,861.78 is: 402,381.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,234.81 : 654,370.86 = 268,861.78 : x
  2. Step 2: Convert to fraction form
    437,234.81/654,370.86 = 268,861.78/x
  3. Step 3: Cross multiply
    437,234.81x = 654,370.86 × 268,861.78
  4. Step 4: Simplify right side
    437,234.81x = 175,935,312,563.80
  5. Step 5: Solve for x
    x = 175,935,312,563.80/437,234.81
  6. Step 6: Final answer
    x = 402,381.77

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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.