Home / 688,026.34-1,031,630.66-261,593.39

Finding the Fourth Proportional to 688,026.34, 1,031,630.66 and 261,593.39

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Solution

The fourth proportional to 688,026.34, 1,031,630.66 and 261,593.39 is: 392,234.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,026.34 : 1,031,630.66 = 261,593.39 : x
  2. Step 2: Convert to fraction form
    688,026.34/1,031,630.66 = 261,593.39/x
  3. Step 3: Cross multiply
    688,026.34x = 1,031,630.66 × 261,593.39
  4. Step 4: Simplify right side
    688,026.34x = 269,867,762,399.42
  5. Step 5: Solve for x
    x = 269,867,762,399.42/688,026.34
  6. Step 6: Final answer
    x = 392,234.64

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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.