Home / 682,429.20-1,023,643.80-303,349.20

Finding the Fourth Proportional to 682,429.20, 1,023,643.80 and 303,349.20

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Solution

The fourth proportional to 682,429.20, 1,023,643.80 and 303,349.20 is: 455,023.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,429.20 : 1,023,643.80 = 303,349.20 : x
  2. Step 2: Convert to fraction form
    682,429.20/1,023,643.80 = 303,349.20/x
  3. Step 3: Cross multiply
    682,429.20x = 1,023,643.80 × 303,349.20
  4. Step 4: Simplify right side
    682,429.20x = 310,521,527,814.96
  5. Step 5: Solve for x
    x = 310,521,527,814.96/682,429.20
  6. Step 6: Final answer
    x = 455,023.80

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Similar ratio
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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.