Home / 816,252.41-1,224,406.25-217,214.15

Finding the Fourth Proportional to 816,252.41, 1,224,406.25 and 217,214.15

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Solution

The fourth proportional to 816,252.41, 1,224,406.25 and 217,214.15 is: 325,828.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,252.41 : 1,224,406.25 = 217,214.15 : x
  2. Step 2: Convert to fraction form
    816,252.41/1,224,406.25 = 217,214.15/x
  3. Step 3: Cross multiply
    816,252.41x = 1,224,406.25 × 217,214.15
  4. Step 4: Simplify right side
    816,252.41x = 265,958,355,640.34
  5. Step 5: Solve for x
    x = 265,958,355,640.34/816,252.41
  6. Step 6: Final answer
    x = 325,828.57

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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.