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Finding the Fourth Proportional to 801,938, 1,106,674.44 and 479,661.68

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Solution

The fourth proportional to 801,938, 1,106,674.44 and 479,661.68 is: 661,933.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,938 : 1,106,674.44 = 479,661.68 : x
  2. Step 2: Convert to fraction form
    801,938/1,106,674.44 = 479,661.68/x
  3. Step 3: Cross multiply
    801,938x = 1,106,674.44 × 479,661.68
  4. Step 4: Simplify right side
    801,938x = 530,829,321,103.46
  5. Step 5: Solve for x
    x = 530,829,321,103.46/801,938
  6. Step 6: Final answer
    x = 661,933.12

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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.