Home / 855,450.38-1,180,646.20-492,804.48

Finding the Fourth Proportional to 855,450.38, 1,180,646.20 and 492,804.48

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Solution

The fourth proportional to 855,450.38, 1,180,646.20 and 492,804.48 is: 680,142.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,450.38 : 1,180,646.20 = 492,804.48 : x
  2. Step 2: Convert to fraction form
    855,450.38/1,180,646.20 = 492,804.48/x
  3. Step 3: Cross multiply
    855,450.38x = 1,180,646.20 × 492,804.48
  4. Step 4: Simplify right side
    855,450.38x = 581,827,736,654.98
  5. Step 5: Solve for x
    x = 581,827,736,654.98/855,450.38
  6. Step 6: Final answer
    x = 680,142.01

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.