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Finding the Fourth Proportional to 404,480.72, 606,229.08 and 286,186.16

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Solution

The fourth proportional to 404,480.72, 606,229.08 and 286,186.16 is: 428,931.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,480.72 : 606,229.08 = 286,186.16 : x
  2. Step 2: Convert to fraction form
    404,480.72/606,229.08 = 286,186.16/x
  3. Step 3: Cross multiply
    404,480.72x = 606,229.08 × 286,186.16
  4. Step 4: Simplify right side
    404,480.72x = 173,494,372,485.53
  5. Step 5: Solve for x
    x = 173,494,372,485.53/404,480.72
  6. Step 6: Final answer
    x = 428,931.13

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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.