Home / 717,721.98-1,076,793.47-212,296.25

Finding the Fourth Proportional to 717,721.98, 1,076,793.47 and 212,296.25

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Solution

The fourth proportional to 717,721.98, 1,076,793.47 and 212,296.25 is: 318,506.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,721.98 : 1,076,793.47 = 212,296.25 : x
  2. Step 2: Convert to fraction form
    717,721.98/1,076,793.47 = 212,296.25/x
  3. Step 3: Cross multiply
    717,721.98x = 1,076,793.47 × 212,296.25
  4. Step 4: Simplify right side
    717,721.98x = 228,599,218,132.10
  5. Step 5: Solve for x
    x = 228,599,218,132.10/717,721.98
  6. Step 6: Final answer
    x = 318,506.64

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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.