Home / 538,457.49-743,060.18-296,733.85

Finding the Fourth Proportional to 538,457.49, 743,060.18 and 296,733.85

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Solution

The fourth proportional to 538,457.49, 743,060.18 and 296,733.85 is: 409,486.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,457.49 : 743,060.18 = 296,733.85 : x
  2. Step 2: Convert to fraction form
    538,457.49/743,060.18 = 296,733.85/x
  3. Step 3: Cross multiply
    538,457.49x = 743,060.18 × 296,733.85
  4. Step 4: Simplify right side
    538,457.49x = 220,491,106,877.28
  5. Step 5: Solve for x
    x = 220,491,106,877.28/538,457.49
  6. Step 6: Final answer
    x = 409,486.56

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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.