Home / 787,690.62-1,086,575.34-516,196.44

Finding the Fourth Proportional to 787,690.62, 1,086,575.34 and 516,196.44

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Solution

The fourth proportional to 787,690.62, 1,086,575.34 and 516,196.44 is: 712,064.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,690.62 : 1,086,575.34 = 516,196.44 : x
  2. Step 2: Convert to fraction form
    787,690.62/1,086,575.34 = 516,196.44/x
  3. Step 3: Cross multiply
    787,690.62x = 1,086,575.34 × 516,196.44
  4. Step 4: Simplify right side
    787,690.62x = 560,886,322,299.79
  5. Step 5: Solve for x
    x = 560,886,322,299.79/787,690.62
  6. Step 6: Final answer
    x = 712,064.24

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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.