Home / 665,201.80-997,932.30-265,774.60

Finding the Fourth Proportional to 665,201.80, 997,932.30 and 265,774.60

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Solution

The fourth proportional to 665,201.80, 997,932.30 and 265,774.60 is: 398,713.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,201.80 : 997,932.30 = 265,774.60 : x
  2. Step 2: Convert to fraction form
    665,201.80/997,932.30 = 265,774.60/x
  3. Step 3: Cross multiply
    665,201.80x = 997,932.30 × 265,774.60
  4. Step 4: Simplify right side
    665,201.80x = 265,225,057,859.58
  5. Step 5: Solve for x
    x = 265,225,057,859.58/665,201.80
  6. Step 6: Final answer
    x = 398,713.68

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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.