Home / 930,741.18-1,396,336.14-323,441.25

Finding the Fourth Proportional to 930,741.18, 1,396,336.14 and 323,441.25

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Solution

The fourth proportional to 930,741.18, 1,396,336.14 and 323,441.25 is: 485,239.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,741.18 : 1,396,336.14 = 323,441.25 : x
  2. Step 2: Convert to fraction form
    930,741.18/1,396,336.14 = 323,441.25/x
  3. Step 3: Cross multiply
    930,741.18x = 1,396,336.14 × 323,441.25
  4. Step 4: Simplify right side
    930,741.18x = 451,632,706,541.78
  5. Step 5: Solve for x
    x = 451,632,706,541.78/930,741.18
  6. Step 6: Final answer
    x = 485,239.85

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Double scale
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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.