Home / 909,617.86-1,364,563.68-293,916.61

Finding the Fourth Proportional to 909,617.86, 1,364,563.68 and 293,916.61

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Solution

The fourth proportional to 909,617.86, 1,364,563.68 and 293,916.61 is: 440,919.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,617.86 : 1,364,563.68 = 293,916.61 : x
  2. Step 2: Convert to fraction form
    909,617.86/1,364,563.68 = 293,916.61/x
  3. Step 3: Cross multiply
    909,617.86x = 1,364,563.68 × 293,916.61
  4. Step 4: Simplify right side
    909,617.86x = 401,067,930,954.73
  5. Step 5: Solve for x
    x = 401,067,930,954.73/909,617.86
  6. Step 6: Final answer
    x = 440,919.15

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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.