Home / 717,721.73-1,076,793.10-212,296.01

Finding the Fourth Proportional to 717,721.73, 1,076,793.10 and 212,296.01

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Solution

The fourth proportional to 717,721.73, 1,076,793.10 and 212,296.01 is: 318,506.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,721.73 : 1,076,793.10 = 212,296.01 : x
  2. Step 2: Convert to fraction form
    717,721.73/1,076,793.10 = 212,296.01/x
  3. Step 3: Cross multiply
    717,721.73x = 1,076,793.10 × 212,296.01
  4. Step 4: Simplify right side
    717,721.73x = 228,598,872,280.09
  5. Step 5: Solve for x
    x = 228,598,872,280.09/717,721.73
  6. Step 6: Final answer
    x = 318,506.27

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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.