Home / 689,209.14-1,033,814.07-262,645.50

Finding the Fourth Proportional to 689,209.14, 1,033,814.07 and 262,645.50

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Solution

The fourth proportional to 689,209.14, 1,033,814.07 and 262,645.50 is: 393,968.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,209.14 : 1,033,814.07 = 262,645.50 : x
  2. Step 2: Convert to fraction form
    689,209.14/1,033,814.07 = 262,645.50/x
  3. Step 3: Cross multiply
    689,209.14x = 1,033,814.07 × 262,645.50
  4. Step 4: Simplify right side
    689,209.14x = 271,526,613,322.19
  5. Step 5: Solve for x
    x = 271,526,613,322.19/689,209.14
  6. Step 6: Final answer
    x = 393,968.39

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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.