Home / 693,182.40-1,039,765.34-219,871.86

Finding the Fourth Proportional to 693,182.40, 1,039,765.34 and 219,871.86

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Solution

The fourth proportional to 693,182.40, 1,039,765.34 and 219,871.86 is: 329,805.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,182.40 : 1,039,765.34 = 219,871.86 : x
  2. Step 2: Convert to fraction form
    693,182.40/1,039,765.34 = 219,871.86/x
  3. Step 3: Cross multiply
    693,182.40x = 1,039,765.34 × 219,871.86
  4. Step 4: Simplify right side
    693,182.40x = 228,615,139,269.33
  5. Step 5: Solve for x
    x = 228,615,139,269.33/693,182.40
  6. Step 6: Final answer
    x = 329,805.17

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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.