Home / 717,291.20-1,076,078.56-211,860.96

Finding the Fourth Proportional to 717,291.20, 1,076,078.56 and 211,860.96

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Solution

The fourth proportional to 717,291.20, 1,076,078.56 and 211,860.96 is: 317,833.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,291.20 : 1,076,078.56 = 211,860.96 : x
  2. Step 2: Convert to fraction form
    717,291.20/1,076,078.56 = 211,860.96/x
  3. Step 3: Cross multiply
    717,291.20x = 1,076,078.56 × 211,860.96
  4. Step 4: Simplify right side
    717,291.20x = 227,979,036,757.02
  5. Step 5: Solve for x
    x = 227,979,036,757.02/717,291.20
  6. Step 6: Final answer
    x = 317,833.31

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1.5x scale

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.