Home / 654,749.62-903,418.88-382,764.73

Finding the Fourth Proportional to 654,749.62, 903,418.88 and 382,764.73

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Solution

The fourth proportional to 654,749.62, 903,418.88 and 382,764.73 is: 528,136.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,749.62 : 903,418.88 = 382,764.73 : x
  2. Step 2: Convert to fraction form
    654,749.62/903,418.88 = 382,764.73/x
  3. Step 3: Cross multiply
    654,749.62x = 903,418.88 × 382,764.73
  4. Step 4: Simplify right side
    654,749.62x = 345,796,883,680.10
  5. Step 5: Solve for x
    x = 345,796,883,680.10/654,749.62
  6. Step 6: Final answer
    x = 528,136.06

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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.