Home / 787,758.96-1,087,104.60-430,062.96

Finding the Fourth Proportional to 787,758.96, 1,087,104.60 and 430,062.96

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Solution

The fourth proportional to 787,758.96, 1,087,104.60 and 430,062.96 is: 593,485.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,758.96 : 1,087,104.60 = 430,062.96 : x
  2. Step 2: Convert to fraction form
    787,758.96/1,087,104.60 = 430,062.96/x
  3. Step 3: Cross multiply
    787,758.96x = 1,087,104.60 × 430,062.96
  4. Step 4: Simplify right side
    787,758.96x = 467,523,422,105.62
  5. Step 5: Solve for x
    x = 467,523,422,105.62/787,758.96
  6. Step 6: Final answer
    x = 593,485.38

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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.