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Finding the Fourth Proportional to 538,603.50, 743,306.08 and 296,885.52

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Solution

The fourth proportional to 538,603.50, 743,306.08 and 296,885.52 is: 409,720.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,603.50 : 743,306.08 = 296,885.52 : x
  2. Step 2: Convert to fraction form
    538,603.50/743,306.08 = 296,885.52/x
  3. Step 3: Cross multiply
    538,603.50x = 743,306.08 × 296,885.52
  4. Step 4: Simplify right side
    538,603.50x = 220,676,815,238.47
  5. Step 5: Solve for x
    x = 220,676,815,238.47/538,603.50
  6. Step 6: Final answer
    x = 409,720.35

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1.5x scale

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.