Home / 629,116.56-868,266.47-371,066.49

Finding the Fourth Proportional to 629,116.56, 868,266.47 and 371,066.49

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Solution

The fourth proportional to 629,116.56, 868,266.47 and 371,066.49 is: 512,122.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,116.56 : 868,266.47 = 371,066.49 : x
  2. Step 2: Convert to fraction form
    629,116.56/868,266.47 = 371,066.49/x
  3. Step 3: Cross multiply
    629,116.56x = 868,266.47 × 371,066.49
  4. Step 4: Simplify right side
    629,116.56x = 322,184,592,335.26
  5. Step 5: Solve for x
    x = 322,184,592,335.26/629,116.56
  6. Step 6: Final answer
    x = 512,122.26

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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.