Home / 762,832.78-1,144,272.75-383,768.94

Finding the Fourth Proportional to 762,832.78, 1,144,272.75 and 383,768.94

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Solution

The fourth proportional to 762,832.78, 1,144,272.75 and 383,768.94 is: 575,665.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,832.78 : 1,144,272.75 = 383,768.94 : x
  2. Step 2: Convert to fraction form
    762,832.78/1,144,272.75 = 383,768.94/x
  3. Step 3: Cross multiply
    762,832.78x = 1,144,272.75 × 383,768.94
  4. Step 4: Simplify right side
    762,832.78x = 439,136,340,338.39
  5. Step 5: Solve for x
    x = 439,136,340,338.39/762,832.78
  6. Step 6: Final answer
    x = 575,665.27

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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.