Home / 526,523.20-789,784.80-313,946.80

Finding the Fourth Proportional to 526,523.20, 789,784.80 and 313,946.80

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Solution

The fourth proportional to 526,523.20, 789,784.80 and 313,946.80 is: 470,920.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,523.20 : 789,784.80 = 313,946.80 : x
  2. Step 2: Convert to fraction form
    526,523.20/789,784.80 = 313,946.80/x
  3. Step 3: Cross multiply
    526,523.20x = 789,784.80 × 313,946.80
  4. Step 4: Simplify right side
    526,523.20x = 247,950,410,648.64
  5. Step 5: Solve for x
    x = 247,950,410,648.64/526,523.20
  6. Step 6: Final answer
    x = 470,920.20

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