Home / 816,363.81-1,224,096.44-303,769.89

Finding the Fourth Proportional to 816,363.81, 1,224,096.44 and 303,769.89

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Solution

The fourth proportional to 816,363.81, 1,224,096.44 and 303,769.89 is: 455,487.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,363.81 : 1,224,096.44 = 303,769.89 : x
  2. Step 2: Convert to fraction form
    816,363.81/1,224,096.44 = 303,769.89/x
  3. Step 3: Cross multiply
    816,363.81x = 1,224,096.44 × 303,769.89
  4. Step 4: Simplify right side
    816,363.81x = 371,843,639,409.34
  5. Step 5: Solve for x
    x = 371,843,639,409.34/816,363.81
  6. Step 6: Final answer
    x = 455,487.66

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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.