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Finding the Fourth Proportional to 538,715.04, 743,393.04 and 296,985.12

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Solution

The fourth proportional to 538,715.04, 743,393.04 and 296,985.12 is: 409,820.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,715.04 : 743,393.04 = 296,985.12 : x
  2. Step 2: Convert to fraction form
    538,715.04/743,393.04 = 296,985.12/x
  3. Step 3: Cross multiply
    538,715.04x = 743,393.04 × 296,985.12
  4. Step 4: Simplify right side
    538,715.04x = 220,776,671,191.57
  5. Step 5: Solve for x
    x = 220,776,671,191.57/538,715.04
  6. Step 6: Final answer
    x = 409,820.88

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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.