Home / 961,455.62-1,441,519.13-421,452.52

Finding the Fourth Proportional to 961,455.62, 1,441,519.13 and 421,452.52

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Solution

The fourth proportional to 961,455.62, 1,441,519.13 and 421,452.52 is: 631,887.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,455.62 : 1,441,519.13 = 421,452.52 : x
  2. Step 2: Convert to fraction form
    961,455.62/1,441,519.13 = 421,452.52/x
  3. Step 3: Cross multiply
    961,455.62x = 1,441,519.13 × 421,452.52
  4. Step 4: Simplify right side
    961,455.62x = 607,531,867,416.54
  5. Step 5: Solve for x
    x = 607,531,867,416.54/961,455.62
  6. Step 6: Final answer
    x = 631,887.58

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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.