Home / 1,476,788.12-2,215,182.19-354,857.12

Finding the Fourth Proportional to 1,476,788.12, 2,215,182.19 and 354,857.12

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Solution

The fourth proportional to 1,476,788.12, 2,215,182.19 and 354,857.12 is: 532,285.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476,788.12 : 2,215,182.19 = 354,857.12 : x
  2. Step 2: Convert to fraction form
    1,476,788.12/2,215,182.19 = 354,857.12/x
  3. Step 3: Cross multiply
    1,476,788.12x = 2,215,182.19 × 354,857.12
  4. Step 4: Simplify right side
    1,476,788.12x = 786,073,175,982.36
  5. Step 5: Solve for x
    x = 786,073,175,982.36/1,476,788.12
  6. Step 6: Final answer
    x = 532,285.68

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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.