Home / 760,016.35-1,139,380.64-333,228.73

Finding the Fourth Proportional to 760,016.35, 1,139,380.64 and 333,228.73

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Solution

The fourth proportional to 760,016.35, 1,139,380.64 and 333,228.73 is: 499,560.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,016.35 : 1,139,380.64 = 333,228.73 : x
  2. Step 2: Convert to fraction form
    760,016.35/1,139,380.64 = 333,228.73/x
  3. Step 3: Cross multiply
    760,016.35x = 1,139,380.64 × 333,228.73
  4. Step 4: Simplify right side
    760,016.35x = 379,674,357,956.88
  5. Step 5: Solve for x
    x = 379,674,357,956.88/760,016.35
  6. Step 6: Final answer
    x = 499,560.78

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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.