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Finding the Fourth Proportional to 800,343.51, 1,200,426.81 and 201,304.90

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Solution

The fourth proportional to 800,343.51, 1,200,426.81 and 201,304.90 is: 301,935.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,343.51 : 1,200,426.81 = 201,304.90 : x
  2. Step 2: Convert to fraction form
    800,343.51/1,200,426.81 = 201,304.90/x
  3. Step 3: Cross multiply
    800,343.51x = 1,200,426.81 × 201,304.90
  4. Step 4: Simplify right side
    800,343.51x = 241,651,799,690.01
  5. Step 5: Solve for x
    x = 241,651,799,690.01/800,343.51
  6. Step 6: Final answer
    x = 301,935.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.