Home / 827,741.80-1,242,084.30-322,237.18

Finding the Fourth Proportional to 827,741.80, 1,242,084.30 and 322,237.18

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Solution

The fourth proportional to 827,741.80, 1,242,084.30 and 322,237.18 is: 483,539.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,741.80 : 1,242,084.30 = 322,237.18 : x
  2. Step 2: Convert to fraction form
    827,741.80/1,242,084.30 = 322,237.18/x
  3. Step 3: Cross multiply
    827,741.80x = 1,242,084.30 × 322,237.18
  4. Step 4: Simplify right side
    827,741.80x = 400,245,742,154.27
  5. Step 5: Solve for x
    x = 400,245,742,154.27/827,741.80
  6. Step 6: Final answer
    x = 483,539.36

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Double scale
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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.