Home / 635,948.06-954,018.90-395,867.70

Finding the Fourth Proportional to 635,948.06, 954,018.90 and 395,867.70

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Solution

The fourth proportional to 635,948.06, 954,018.90 and 395,867.70 is: 593,861.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,948.06 : 954,018.90 = 395,867.70 : x
  2. Step 2: Convert to fraction form
    635,948.06/954,018.90 = 395,867.70/x
  3. Step 3: Cross multiply
    635,948.06x = 954,018.90 × 395,867.70
  4. Step 4: Simplify right side
    635,948.06x = 377,665,267,699.53
  5. Step 5: Solve for x
    x = 377,665,267,699.53/635,948.06
  6. Step 6: Final answer
    x = 593,861.82

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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.