Home / 997,355.34-1,496,243.21-323,384.11

Finding the Fourth Proportional to 997,355.34, 1,496,243.21 and 323,384.11

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Solution

The fourth proportional to 997,355.34, 1,496,243.21 and 323,384.11 is: 485,144.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,355.34 : 1,496,243.21 = 323,384.11 : x
  2. Step 2: Convert to fraction form
    997,355.34/1,496,243.21 = 323,384.11/x
  3. Step 3: Cross multiply
    997,355.34x = 1,496,243.21 × 323,384.11
  4. Step 4: Simplify right side
    997,355.34x = 483,861,278,809.39
  5. Step 5: Solve for x
    x = 483,861,278,809.39/997,355.34
  6. Step 6: Final answer
    x = 485,144.32

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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.