Home / 909,299.82-1,364,343.09-488,083.98

Finding the Fourth Proportional to 909,299.82, 1,364,343.09 and 488,083.98

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Solution

The fourth proportional to 909,299.82, 1,364,343.09 and 488,083.98 is: 732,337.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,299.82 : 1,364,343.09 = 488,083.98 : x
  2. Step 2: Convert to fraction form
    909,299.82/1,364,343.09 = 488,083.98/x
  3. Step 3: Cross multiply
    909,299.82x = 1,364,343.09 × 488,083.98
  4. Step 4: Simplify right side
    909,299.82x = 665,914,005,452.70
  5. Step 5: Solve for x
    x = 665,914,005,452.70/909,299.82
  6. Step 6: Final answer
    x = 732,337.11

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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.