Home / 746,586.48-1,120,344.12-303,354.48

Finding the Fourth Proportional to 746,586.48, 1,120,344.12 and 303,354.48

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Solution

The fourth proportional to 746,586.48, 1,120,344.12 and 303,354.48 is: 455,220.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,586.48 : 1,120,344.12 = 303,354.48 : x
  2. Step 2: Convert to fraction form
    746,586.48/1,120,344.12 = 303,354.48/x
  3. Step 3: Cross multiply
    746,586.48x = 1,120,344.12 × 303,354.48
  4. Step 4: Simplify right side
    746,586.48x = 339,861,407,943.66
  5. Step 5: Solve for x
    x = 339,861,407,943.66/746,586.48
  6. Step 6: Final answer
    x = 455,220.42

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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.