Home / 538,578.13-743,242.77-296,869.98

Finding the Fourth Proportional to 538,578.13, 743,242.77 and 296,869.98

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Solution

The fourth proportional to 538,578.13, 743,242.77 and 296,869.98 is: 409,683.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,578.13 : 743,242.77 = 296,869.98 : x
  2. Step 2: Convert to fraction form
    538,578.13/743,242.77 = 296,869.98/x
  3. Step 3: Cross multiply
    538,578.13x = 743,242.77 × 296,869.98
  4. Step 4: Simplify right side
    538,578.13x = 220,646,462,548.83
  5. Step 5: Solve for x
    x = 220,646,462,548.83/538,578.13
  6. Step 6: Final answer
    x = 409,683.29

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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.