Home / 787,494.61-1,086,824.19-481,774.60

Finding the Fourth Proportional to 787,494.61, 1,086,824.19 and 481,774.60

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Solution

The fourth proportional to 787,494.61, 1,086,824.19 and 481,774.60 is: 664,898.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,494.61 : 1,086,824.19 = 481,774.60 : x
  2. Step 2: Convert to fraction form
    787,494.61/1,086,824.19 = 481,774.60/x
  3. Step 3: Cross multiply
    787,494.61x = 1,086,824.19 × 481,774.60
  4. Step 4: Simplify right side
    787,494.61x = 523,604,289,407.57
  5. Step 5: Solve for x
    x = 523,604,289,407.57/787,494.61
  6. Step 6: Final answer
    x = 664,898.89

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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.