Home / 635,417.37-953,310.53-256,142.36

Finding the Fourth Proportional to 635,417.37, 953,310.53 and 256,142.36

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Solution

The fourth proportional to 635,417.37, 953,310.53 and 256,142.36 is: 384,287.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,417.37 : 953,310.53 = 256,142.36 : x
  2. Step 2: Convert to fraction form
    635,417.37/953,310.53 = 256,142.36/x
  3. Step 3: Cross multiply
    635,417.37x = 953,310.53 × 256,142.36
  4. Step 4: Simplify right side
    635,417.37x = 244,183,211,990.68
  5. Step 5: Solve for x
    x = 244,183,211,990.68/635,417.37
  6. Step 6: Final answer
    x = 384,287.91

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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.