Home / 827,491.80-1,241,237.70-322,076.10

Finding the Fourth Proportional to 827,491.80, 1,241,237.70 and 322,076.10

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Solution

The fourth proportional to 827,491.80, 1,241,237.70 and 322,076.10 is: 483,114.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,491.80 : 1,241,237.70 = 322,076.10 : x
  2. Step 2: Convert to fraction form
    827,491.80/1,241,237.70 = 322,076.10/x
  3. Step 3: Cross multiply
    827,491.80x = 1,241,237.70 × 322,076.10
  4. Step 4: Simplify right side
    827,491.80x = 399,772,997,588.97
  5. Step 5: Solve for x
    x = 399,772,997,588.97/827,491.80
  6. Step 6: Final answer
    x = 483,114.15

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Double scale
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Similar ratio
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1.5x scale

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.