Home / 717,721.85-1,076,793.28-212,296.13

Finding the Fourth Proportional to 717,721.85, 1,076,793.28 and 212,296.13

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Solution

The fourth proportional to 717,721.85, 1,076,793.28 and 212,296.13 is: 318,506.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,721.85 : 1,076,793.28 = 212,296.13 : x
  2. Step 2: Convert to fraction form
    717,721.85/1,076,793.28 = 212,296.13/x
  3. Step 3: Cross multiply
    717,721.85x = 1,076,793.28 × 212,296.13
  4. Step 4: Simplify right side
    717,721.85x = 228,599,046,154.01
  5. Step 5: Solve for x
    x = 228,599,046,154.01/717,721.85
  6. Step 6: Final answer
    x = 318,506.46

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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.