Home / 909,983.70-1,365,189.12-310,949.82

Finding the Fourth Proportional to 909,983.70, 1,365,189.12 and 310,949.82

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Solution

The fourth proportional to 909,983.70, 1,365,189.12 and 310,949.82 is: 466,497.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,983.70 : 1,365,189.12 = 310,949.82 : x
  2. Step 2: Convert to fraction form
    909,983.70/1,365,189.12 = 310,949.82/x
  3. Step 3: Cross multiply
    909,983.70x = 1,365,189.12 × 310,949.82
  4. Step 4: Simplify right side
    909,983.70x = 424,505,311,129.96
  5. Step 5: Solve for x
    x = 424,505,311,129.96/909,983.70
  6. Step 6: Final answer
    x = 466,497.71

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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.