Home / 708,091.78-1,062,136.71-328,805.11

Finding the Fourth Proportional to 708,091.78, 1,062,136.71 and 328,805.11

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Solution

The fourth proportional to 708,091.78, 1,062,136.71 and 328,805.11 is: 493,207.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,091.78 : 1,062,136.71 = 328,805.11 : x
  2. Step 2: Convert to fraction form
    708,091.78/1,062,136.71 = 328,805.11/x
  3. Step 3: Cross multiply
    708,091.78x = 1,062,136.71 × 328,805.11
  4. Step 4: Simplify right side
    708,091.78x = 349,235,978,777.90
  5. Step 5: Solve for x
    x = 349,235,978,777.90/708,091.78
  6. Step 6: Final answer
    x = 493,207.22

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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.