Home / 1,005,635.42-1,508,499.61-331,775.62

Finding the Fourth Proportional to 1,005,635.42, 1,508,499.61 and 331,775.62

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Solution

The fourth proportional to 1,005,635.42, 1,508,499.61 and 331,775.62 is: 497,678.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,635.42 : 1,508,499.61 = 331,775.62 : x
  2. Step 2: Convert to fraction form
    1,005,635.42/1,508,499.61 = 331,775.62/x
  3. Step 3: Cross multiply
    1,005,635.42x = 1,508,499.61 × 331,775.62
  4. Step 4: Simplify right side
    1,005,635.42x = 500,483,389,004.65
  5. Step 5: Solve for x
    x = 500,483,389,004.65/1,005,635.42
  6. Step 6: Final answer
    x = 497,678.76

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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.