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Finding the Fourth Proportional to 669,483.92, 923,884.08 and 363,557.36

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Solution

The fourth proportional to 669,483.92, 923,884.08 and 363,557.36 is: 501,707.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,483.92 : 923,884.08 = 363,557.36 : x
  2. Step 2: Convert to fraction form
    669,483.92/923,884.08 = 363,557.36/x
  3. Step 3: Cross multiply
    669,483.92x = 923,884.08 × 363,557.36
  4. Step 4: Simplify right side
    669,483.92x = 335,884,857,070.83
  5. Step 5: Solve for x
    x = 335,884,857,070.83/669,483.92
  6. Step 6: Final answer
    x = 501,707.13

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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.