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Finding the Fourth Proportional to 635,844.64, 953,144.88 and 303,653.92

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Solution

The fourth proportional to 635,844.64, 953,144.88 and 303,653.92 is: 455,183.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,844.64 : 953,144.88 = 303,653.92 : x
  2. Step 2: Convert to fraction form
    635,844.64/953,144.88 = 303,653.92/x
  3. Step 3: Cross multiply
    635,844.64x = 953,144.88 × 303,653.92
  4. Step 4: Simplify right side
    635,844.64x = 289,426,179,139.93
  5. Step 5: Solve for x
    x = 289,426,179,139.93/635,844.64
  6. Step 6: Final answer
    x = 455,183.80

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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.