Home / 1,007,302.90-1,511,065.05-333,138.63

Finding the Fourth Proportional to 1,007,302.90, 1,511,065.05 and 333,138.63

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Solution

The fourth proportional to 1,007,302.90, 1,511,065.05 and 333,138.63 is: 499,744.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,302.90 : 1,511,065.05 = 333,138.63 : x
  2. Step 2: Convert to fraction form
    1,007,302.90/1,511,065.05 = 333,138.63/x
  3. Step 3: Cross multiply
    1,007,302.90x = 1,511,065.05 × 333,138.63
  4. Step 4: Simplify right side
    1,007,302.90x = 503,394,140,597.88
  5. Step 5: Solve for x
    x = 503,394,140,597.88/1,007,302.90
  6. Step 6: Final answer
    x = 499,744.56

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Double scale
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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.