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Finding the Fourth Proportional to 404,494.72, 606,250.20 and 286,200.16

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Solution

The fourth proportional to 404,494.72, 606,250.20 and 286,200.16 is: 428,952.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,494.72 : 606,250.20 = 286,200.16 : x
  2. Step 2: Convert to fraction form
    404,494.72/606,250.20 = 286,200.16/x
  3. Step 3: Cross multiply
    404,494.72x = 606,250.20 × 286,200.16
  4. Step 4: Simplify right side
    404,494.72x = 173,508,904,240.03
  5. Step 5: Solve for x
    x = 173,508,904,240.03/404,494.72
  6. Step 6: Final answer
    x = 428,952.21

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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.