Home / 717,711.06-1,076,530.81-268,398.90

Finding the Fourth Proportional to 717,711.06, 1,076,530.81 and 268,398.90

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Solution

The fourth proportional to 717,711.06, 1,076,530.81 and 268,398.90 is: 402,584.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,711.06 : 1,076,530.81 = 268,398.90 : x
  2. Step 2: Convert to fraction form
    717,711.06/1,076,530.81 = 268,398.90/x
  3. Step 3: Cross multiply
    717,711.06x = 1,076,530.81 × 268,398.90
  4. Step 4: Simplify right side
    717,711.06x = 288,939,685,052.36
  5. Step 5: Solve for x
    x = 288,939,685,052.36/717,711.06
  6. Step 6: Final answer
    x = 402,584.97

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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.