Home / 478,834.39-660,795.74-263,982.03

Finding the Fourth Proportional to 478,834.39, 660,795.74 and 263,982.03

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Solution

The fourth proportional to 478,834.39, 660,795.74 and 263,982.03 is: 364,297.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,834.39 : 660,795.74 = 263,982.03 : x
  2. Step 2: Convert to fraction form
    478,834.39/660,795.74 = 263,982.03/x
  3. Step 3: Cross multiply
    478,834.39x = 660,795.74 × 263,982.03
  4. Step 4: Simplify right side
    478,834.39x = 174,438,200,860.55
  5. Step 5: Solve for x
    x = 174,438,200,860.55/478,834.39
  6. Step 6: Final answer
    x = 364,297.56

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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.