Home / 881,548.38-1,216,451.77-494,379.67

Finding the Fourth Proportional to 881,548.38, 1,216,451.77 and 494,379.67

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Solution

The fourth proportional to 881,548.38, 1,216,451.77 and 494,379.67 is: 682,196.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,548.38 : 1,216,451.77 = 494,379.67 : x
  2. Step 2: Convert to fraction form
    881,548.38/1,216,451.77 = 494,379.67/x
  3. Step 3: Cross multiply
    881,548.38x = 1,216,451.77 × 494,379.67
  4. Step 4: Simplify right side
    881,548.38x = 601,389,020,276.26
  5. Step 5: Solve for x
    x = 601,389,020,276.26/881,548.38
  6. Step 6: Final answer
    x = 682,196.28

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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.