Home / 635,999.40-953,406.18-214,980.84

Finding the Fourth Proportional to 635,999.40, 953,406.18 and 214,980.84

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Solution

The fourth proportional to 635,999.40, 953,406.18 and 214,980.84 is: 322,270.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,999.40 : 953,406.18 = 214,980.84 : x
  2. Step 2: Convert to fraction form
    635,999.40/953,406.18 = 214,980.84/x
  3. Step 3: Cross multiply
    635,999.40x = 953,406.18 × 214,980.84
  4. Step 4: Simplify right side
    635,999.40x = 204,964,061,437.59
  5. Step 5: Solve for x
    x = 204,964,061,437.59/635,999.40
  6. Step 6: Final answer
    x = 322,270.84

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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.