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Finding the Fourth Proportional to 669,153.67, 923,407.02 and 363,223.46

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Solution

The fourth proportional to 669,153.67, 923,407.02 and 363,223.46 is: 501,234.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,153.67 : 923,407.02 = 363,223.46 : x
  2. Step 2: Convert to fraction form
    669,153.67/923,407.02 = 363,223.46/x
  3. Step 3: Cross multiply
    669,153.67x = 923,407.02 × 363,223.46
  4. Step 4: Simplify right side
    669,153.67x = 335,403,095,101.21
  5. Step 5: Solve for x
    x = 335,403,095,101.21/669,153.67
  6. Step 6: Final answer
    x = 501,234.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.