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Finding the Fourth Proportional to 669,320.63, 923,662.49 and 367,514.63

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Solution

The fourth proportional to 669,320.63, 923,662.49 and 367,514.63 is: 507,170.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,320.63 : 923,662.49 = 367,514.63 : x
  2. Step 2: Convert to fraction form
    669,320.63/923,662.49 = 367,514.63/x
  3. Step 3: Cross multiply
    669,320.63x = 923,662.49 × 367,514.63
  4. Step 4: Simplify right side
    669,320.63x = 339,459,471,801.34
  5. Step 5: Solve for x
    x = 339,459,471,801.34/669,320.63
  6. Step 6: Final answer
    x = 507,170.19

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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.