Home / 738,329.84-1,107,557.20-205,851.32

Finding the Fourth Proportional to 738,329.84, 1,107,557.20 and 205,851.32

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Solution

The fourth proportional to 738,329.84, 1,107,557.20 and 205,851.32 is: 308,794.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,329.84 : 1,107,557.20 = 205,851.32 : x
  2. Step 2: Convert to fraction form
    738,329.84/1,107,557.20 = 205,851.32/x
  3. Step 3: Cross multiply
    738,329.84x = 1,107,557.20 × 205,851.32
  4. Step 4: Simplify right side
    738,329.84x = 227,992,111,595.50
  5. Step 5: Solve for x
    x = 227,992,111,595.50/738,329.84
  6. Step 6: Final answer
    x = 308,794.39

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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.