Home / 717,656.22-1,076,582.75-212,256.95

Finding the Fourth Proportional to 717,656.22, 1,076,582.75 and 212,256.95

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Solution

The fourth proportional to 717,656.22, 1,076,582.75 and 212,256.95 is: 318,414.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,656.22 : 1,076,582.75 = 212,256.95 : x
  2. Step 2: Convert to fraction form
    717,656.22/1,076,582.75 = 212,256.95/x
  3. Step 3: Cross multiply
    717,656.22x = 1,076,582.75 × 212,256.95
  4. Step 4: Simplify right side
    717,656.22x = 228,512,164,493.41
  5. Step 5: Solve for x
    x = 228,512,164,493.41/717,656.22
  6. Step 6: Final answer
    x = 318,414.53

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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.