Home / 982,080.90-1,473,121.35-351,015.30

Finding the Fourth Proportional to 982,080.90, 1,473,121.35 and 351,015.30

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Solution

The fourth proportional to 982,080.90, 1,473,121.35 and 351,015.30 is: 526,522.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,080.90 : 1,473,121.35 = 351,015.30 : x
  2. Step 2: Convert to fraction form
    982,080.90/1,473,121.35 = 351,015.30/x
  3. Step 3: Cross multiply
    982,080.90x = 1,473,121.35 × 351,015.30
  4. Step 4: Simplify right side
    982,080.90x = 517,088,132,606.66
  5. Step 5: Solve for x
    x = 517,088,132,606.66/982,080.90
  6. Step 6: Final answer
    x = 526,522.95

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Half scale
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Double scale
Find fourth proportional to 982,081.90, 1,473,122.85 and 351,016.30
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.