Home / 738,267.54-1,107,493.71-288,930.39

Finding the Fourth Proportional to 738,267.54, 1,107,493.71 and 288,930.39

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Solution

The fourth proportional to 738,267.54, 1,107,493.71 and 288,930.39 is: 433,431.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,267.54 : 1,107,493.71 = 288,930.39 : x
  2. Step 2: Convert to fraction form
    738,267.54/1,107,493.71 = 288,930.39/x
  3. Step 3: Cross multiply
    738,267.54x = 1,107,493.71 × 288,930.39
  4. Step 4: Simplify right side
    738,267.54x = 319,988,589,552.85
  5. Step 5: Solve for x
    x = 319,988,589,552.85/738,267.54
  6. Step 6: Final answer
    x = 433,431.75

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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.