Home / 635,629.64-877,175.33-345,244.01

Finding the Fourth Proportional to 635,629.64, 877,175.33 and 345,244.01

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Solution

The fourth proportional to 635,629.64, 877,175.33 and 345,244.01 is: 476,440.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,629.64 : 877,175.33 = 345,244.01 : x
  2. Step 2: Convert to fraction form
    635,629.64/877,175.33 = 345,244.01/x
  3. Step 3: Cross multiply
    635,629.64x = 877,175.33 × 345,244.01
  4. Step 4: Simplify right side
    635,629.64x = 302,839,528,402.27
  5. Step 5: Solve for x
    x = 302,839,528,402.27/635,629.64
  6. Step 6: Final answer
    x = 476,440.22

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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.