Home / 798,760.67-1,102,288.77-472,191.38

Finding the Fourth Proportional to 798,760.67, 1,102,288.77 and 472,191.38

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Solution

The fourth proportional to 798,760.67, 1,102,288.77 and 472,191.38 is: 651,623.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,760.67 : 1,102,288.77 = 472,191.38 : x
  2. Step 2: Convert to fraction form
    798,760.67/1,102,288.77 = 472,191.38/x
  3. Step 3: Cross multiply
    798,760.67x = 1,102,288.77 × 472,191.38
  4. Step 4: Simplify right side
    798,760.67x = 520,491,258,220.53
  5. Step 5: Solve for x
    x = 520,491,258,220.53/798,760.67
  6. Step 6: Final answer
    x = 651,623.54

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.