Home / 767,989-1,151,940.34-235,508.55

Finding the Fourth Proportional to 767,989, 1,151,940.34 and 235,508.55

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Solution

The fourth proportional to 767,989, 1,151,940.34 and 235,508.55 is: 353,249.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,989 : 1,151,940.34 = 235,508.55 : x
  2. Step 2: Convert to fraction form
    767,989/1,151,940.34 = 235,508.55/x
  3. Step 3: Cross multiply
    767,989x = 1,151,940.34 × 235,508.55
  4. Step 4: Simplify right side
    767,989x = 271,291,799,159.91
  5. Step 5: Solve for x
    x = 271,291,799,159.91/767,989
  6. Step 6: Final answer
    x = 353,249.59

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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.