Home / 976,756.72-1,465,299.78-336,889.30

Finding the Fourth Proportional to 976,756.72, 1,465,299.78 and 336,889.30

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Solution

The fourth proportional to 976,756.72, 1,465,299.78 and 336,889.30 is: 505,390.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,756.72 : 1,465,299.78 = 336,889.30 : x
  2. Step 2: Convert to fraction form
    976,756.72/1,465,299.78 = 336,889.30/x
  3. Step 3: Cross multiply
    976,756.72x = 1,465,299.78 × 336,889.30
  4. Step 4: Simplify right side
    976,756.72x = 493,643,817,174.35
  5. Step 5: Solve for x
    x = 493,643,817,174.35/976,756.72
  6. Step 6: Final answer
    x = 505,390.76

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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.