Home / 738,388.92-1,107,567.48-205,895.76

Finding the Fourth Proportional to 738,388.92, 1,107,567.48 and 205,895.76

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Solution

The fourth proportional to 738,388.92, 1,107,567.48 and 205,895.76 is: 308,839.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,388.92 : 1,107,567.48 = 205,895.76 : x
  2. Step 2: Convert to fraction form
    738,388.92/1,107,567.48 = 205,895.76/x
  3. Step 3: Cross multiply
    738,388.92x = 1,107,567.48 × 205,895.76
  4. Step 4: Simplify right side
    738,388.92x = 228,043,448,045.89
  5. Step 5: Solve for x
    x = 228,043,448,045.89/738,388.92
  6. Step 6: Final answer
    x = 308,839.21

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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.