Home / 738,312.78-1,107,531.71-205,834.33

Finding the Fourth Proportional to 738,312.78, 1,107,531.71 and 205,834.33

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Solution

The fourth proportional to 738,312.78, 1,107,531.71 and 205,834.33 is: 308,768.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,312.78 : 1,107,531.71 = 205,834.33 : x
  2. Step 2: Convert to fraction form
    738,312.78/1,107,531.71 = 205,834.33/x
  3. Step 3: Cross multiply
    738,312.78x = 1,107,531.71 × 205,834.33
  4. Step 4: Simplify right side
    738,312.78x = 227,968,047,481.60
  5. Step 5: Solve for x
    x = 227,968,047,481.60/738,312.78
  6. Step 6: Final answer
    x = 308,768.93

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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.