Home / 762,992.64-1,144,663.11-330,782.58

Finding the Fourth Proportional to 762,992.64, 1,144,663.11 and 330,782.58

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Solution

The fourth proportional to 762,992.64, 1,144,663.11 and 330,782.58 is: 496,249.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,992.64 : 1,144,663.11 = 330,782.58 : x
  2. Step 2: Convert to fraction form
    762,992.64/1,144,663.11 = 330,782.58/x
  3. Step 3: Cross multiply
    762,992.64x = 1,144,663.11 × 330,782.58
  4. Step 4: Simplify right side
    762,992.64x = 378,634,616,756.62
  5. Step 5: Solve for x
    x = 378,634,616,756.62/762,992.64
  6. Step 6: Final answer
    x = 496,249.37

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Double scale
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1.5x scale

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.