Home / 717,293.20-1,076,081.56-211,862.96

Finding the Fourth Proportional to 717,293.20, 1,076,081.56 and 211,862.96

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Solution

The fourth proportional to 717,293.20, 1,076,081.56 and 211,862.96 is: 317,836.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,293.20 : 1,076,081.56 = 211,862.96 : x
  2. Step 2: Convert to fraction form
    717,293.20/1,076,081.56 = 211,862.96/x
  3. Step 3: Cross multiply
    717,293.20x = 1,076,081.56 × 211,862.96
  4. Step 4: Simplify right side
    717,293.20x = 227,981,824,503.02
  5. Step 5: Solve for x
    x = 227,981,824,503.02/717,293.20
  6. Step 6: Final answer
    x = 317,836.31

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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.