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Finding the Fourth Proportional to 669,469.92, 923,884.56 and 367,670.40

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Solution

The fourth proportional to 669,469.92, 923,884.56 and 367,670.40 is: 507,393.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,469.92 : 923,884.56 = 367,670.40 : x
  2. Step 2: Convert to fraction form
    669,469.92/923,884.56 = 367,670.40/x
  3. Step 3: Cross multiply
    669,469.92x = 923,884.56 × 367,670.40
  4. Step 4: Simplify right side
    669,469.92x = 339,685,005,729.02
  5. Step 5: Solve for x
    x = 339,685,005,729.02/669,469.92
  6. Step 6: Final answer
    x = 507,393.98

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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.