Home / 717,732.29-1,076,598.44-212,253.89

Finding the Fourth Proportional to 717,732.29, 1,076,598.44 and 212,253.89

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Solution

The fourth proportional to 717,732.29, 1,076,598.44 and 212,253.89 is: 318,380.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,732.29 : 1,076,598.44 = 212,253.89 : x
  2. Step 2: Convert to fraction form
    717,732.29/1,076,598.44 = 212,253.89/x
  3. Step 3: Cross multiply
    717,732.29x = 1,076,598.44 × 212,253.89
  4. Step 4: Simplify right side
    717,732.29x = 228,512,201,209.62
  5. Step 5: Solve for x
    x = 228,512,201,209.62/717,732.29
  6. Step 6: Final answer
    x = 318,380.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.