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Finding the Fourth Proportional to 407,637.97, 608,711.92 and 332,906.37

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Solution

The fourth proportional to 407,637.97, 608,711.92 and 332,906.37 is: 497,117.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,637.97 : 608,711.92 = 332,906.37 : x
  2. Step 2: Convert to fraction form
    407,637.97/608,711.92 = 332,906.37/x
  3. Step 3: Cross multiply
    407,637.97x = 608,711.92 × 332,906.37
  4. Step 4: Simplify right side
    407,637.97x = 202,644,075,662.93
  5. Step 5: Solve for x
    x = 202,644,075,662.93/407,637.97
  6. Step 6: Final answer
    x = 497,117.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.