Home / 881,012.70-1,321,519.05-249,947.10

Finding the Fourth Proportional to 881,012.70, 1,321,519.05 and 249,947.10

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Solution

The fourth proportional to 881,012.70, 1,321,519.05 and 249,947.10 is: 374,920.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,012.70 : 1,321,519.05 = 249,947.10 : x
  2. Step 2: Convert to fraction form
    881,012.70/1,321,519.05 = 249,947.10/x
  3. Step 3: Cross multiply
    881,012.70x = 1,321,519.05 × 249,947.10
  4. Step 4: Simplify right side
    881,012.70x = 330,309,854,142.26
  5. Step 5: Solve for x
    x = 330,309,854,142.26/881,012.70
  6. Step 6: Final answer
    x = 374,920.65

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Half scale
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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.