Home / 784,129.82-1,176,347.81-251,609.90

Finding the Fourth Proportional to 784,129.82, 1,176,347.81 and 251,609.90

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Solution

The fourth proportional to 784,129.82, 1,176,347.81 and 251,609.90 is: 377,463.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,129.82 : 1,176,347.81 = 251,609.90 : x
  2. Step 2: Convert to fraction form
    784,129.82/1,176,347.81 = 251,609.90/x
  3. Step 3: Cross multiply
    784,129.82x = 1,176,347.81 × 251,609.90
  4. Step 4: Simplify right side
    784,129.82x = 295,980,749,586.61
  5. Step 5: Solve for x
    x = 295,980,749,586.61/784,129.82
  6. Step 6: Final answer
    x = 377,463.97

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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.