Home / 661,878.09-991,944.99-262,301.04

Finding the Fourth Proportional to 661,878.09, 991,944.99 and 262,301.04

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Solution

The fourth proportional to 661,878.09, 991,944.99 and 262,301.04 is: 393,105.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,878.09 : 991,944.99 = 262,301.04 : x
  2. Step 2: Convert to fraction form
    661,878.09/991,944.99 = 262,301.04/x
  3. Step 3: Cross multiply
    661,878.09x = 991,944.99 × 262,301.04
  4. Step 4: Simplify right side
    661,878.09x = 260,188,202,499.79
  5. Step 5: Solve for x
    x = 260,188,202,499.79/661,878.09
  6. Step 6: Final answer
    x = 393,105.93

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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.