Home / 711,467.76-1,067,276.40-231,732.92

Finding the Fourth Proportional to 711,467.76, 1,067,276.40 and 231,732.92

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Solution

The fourth proportional to 711,467.76, 1,067,276.40 and 231,732.92 is: 347,623.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,467.76 : 1,067,276.40 = 231,732.92 : x
  2. Step 2: Convert to fraction form
    711,467.76/1,067,276.40 = 231,732.92/x
  3. Step 3: Cross multiply
    711,467.76x = 1,067,276.40 × 231,732.92
  4. Step 4: Simplify right side
    711,467.76x = 247,323,076,619.09
  5. Step 5: Solve for x
    x = 247,323,076,619.09/711,467.76
  6. Step 6: Final answer
    x = 347,623.73

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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.