Home / 997,353.05-1,496,239.76-323,381.81

Finding the Fourth Proportional to 997,353.05, 1,496,239.76 and 323,381.81

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Solution

The fourth proportional to 997,353.05, 1,496,239.76 and 323,381.81 is: 485,140.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,353.05 : 1,496,239.76 = 323,381.81 : x
  2. Step 2: Convert to fraction form
    997,353.05/1,496,239.76 = 323,381.81/x
  3. Step 3: Cross multiply
    997,353.05x = 1,496,239.76 × 323,381.81
  4. Step 4: Simplify right side
    997,353.05x = 483,856,721,782.77
  5. Step 5: Solve for x
    x = 483,856,721,782.77/997,353.05
  6. Step 6: Final answer
    x = 485,140.87

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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.