Home / 923,523.48-1,385,423.70-324,379

Finding the Fourth Proportional to 923,523.48, 1,385,423.70 and 324,379

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Solution

The fourth proportional to 923,523.48, 1,385,423.70 and 324,379 is: 486,617.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,523.48 : 1,385,423.70 = 324,379 : x
  2. Step 2: Convert to fraction form
    923,523.48/1,385,423.70 = 324,379/x
  3. Step 3: Cross multiply
    923,523.48x = 1,385,423.70 × 324,379
  4. Step 4: Simplify right side
    923,523.48x = 449,402,354,382.30
  5. Step 5: Solve for x
    x = 449,402,354,382.30/923,523.48
  6. Step 6: Final answer
    x = 486,617.14

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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.