Home / 538,885.98-743,658.15-297,178.62

Finding the Fourth Proportional to 538,885.98, 743,658.15 and 297,178.62

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Solution

The fourth proportional to 538,885.98, 743,658.15 and 297,178.62 is: 410,104.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,885.98 : 743,658.15 = 297,178.62 : x
  2. Step 2: Convert to fraction form
    538,885.98/743,658.15 = 297,178.62/x
  3. Step 3: Cross multiply
    538,885.98x = 743,658.15 × 297,178.62
  4. Step 4: Simplify right side
    538,885.98x = 220,999,302,768.75
  5. Step 5: Solve for x
    x = 220,999,302,768.75/538,885.98
  6. Step 6: Final answer
    x = 410,104.01

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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.