Home / 687,930.30-1,031,846.85-238,542.30

Finding the Fourth Proportional to 687,930.30, 1,031,846.85 and 238,542.30

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Solution

The fourth proportional to 687,930.30, 1,031,846.85 and 238,542.30 is: 357,796.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,930.30 : 1,031,846.85 = 238,542.30 : x
  2. Step 2: Convert to fraction form
    687,930.30/1,031,846.85 = 238,542.30/x
  3. Step 3: Cross multiply
    687,930.30x = 1,031,846.85 × 238,542.30
  4. Step 4: Simplify right side
    687,930.30x = 246,139,120,846.76
  5. Step 5: Solve for x
    x = 246,139,120,846.76/687,930.30
  6. Step 6: Final answer
    x = 357,796.60

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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.