Home / 881,014.20-1,321,521.30-249,948.60

Finding the Fourth Proportional to 881,014.20, 1,321,521.30 and 249,948.60

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Solution

The fourth proportional to 881,014.20, 1,321,521.30 and 249,948.60 is: 374,922.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,014.20 : 1,321,521.30 = 249,948.60 : x
  2. Step 2: Convert to fraction form
    881,014.20/1,321,521.30 = 249,948.60/x
  3. Step 3: Cross multiply
    881,014.20x = 1,321,521.30 × 249,948.60
  4. Step 4: Simplify right side
    881,014.20x = 330,312,398,805.18
  5. Step 5: Solve for x
    x = 330,312,398,805.18/881,014.20
  6. Step 6: Final answer
    x = 374,922.90

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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.