Home / 717,778.86-1,076,672.36-185,263.48

Finding the Fourth Proportional to 717,778.86, 1,076,672.36 and 185,263.48

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Solution

The fourth proportional to 717,778.86, 1,076,672.36 and 185,263.48 is: 277,896.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,778.86 : 1,076,672.36 = 185,263.48 : x
  2. Step 2: Convert to fraction form
    717,778.86/1,076,672.36 = 185,263.48/x
  3. Step 3: Cross multiply
    717,778.86x = 1,076,672.36 × 185,263.48
  4. Step 4: Simplify right side
    717,778.86x = 199,468,068,233.41
  5. Step 5: Solve for x
    x = 199,468,068,233.41/717,778.86
  6. Step 6: Final answer
    x = 277,896.27

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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.