Home / 635,731.08-877,318.20-345,348.06

Finding the Fourth Proportional to 635,731.08, 877,318.20 and 345,348.06

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Solution

The fourth proportional to 635,731.08, 877,318.20 and 345,348.06 is: 476,585.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,731.08 : 877,318.20 = 345,348.06 : x
  2. Step 2: Convert to fraction form
    635,731.08/877,318.20 = 345,348.06/x
  3. Step 3: Cross multiply
    635,731.08x = 877,318.20 × 345,348.06
  4. Step 4: Simplify right side
    635,731.08x = 302,980,138,372.69
  5. Step 5: Solve for x
    x = 302,980,138,372.69/635,731.08
  6. Step 6: Final answer
    x = 476,585.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.