Home / 1,007,300.78-1,511,061.86-333,136.50

Finding the Fourth Proportional to 1,007,300.78, 1,511,061.86 and 333,136.50

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Solution

The fourth proportional to 1,007,300.78, 1,511,061.86 and 333,136.50 is: 499,741.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,300.78 : 1,511,061.86 = 333,136.50 : x
  2. Step 2: Convert to fraction form
    1,007,300.78/1,511,061.86 = 333,136.50/x
  3. Step 3: Cross multiply
    1,007,300.78x = 1,511,061.86 × 333,136.50
  4. Step 4: Simplify right side
    1,007,300.78x = 503,389,860,156.73
  5. Step 5: Solve for x
    x = 503,389,860,156.73/1,007,300.78
  6. Step 6: Final answer
    x = 499,741.36

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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.