Home / 934,873.72-1,401,811.68-485,141.78

Finding the Fourth Proportional to 934,873.72, 1,401,811.68 and 485,141.78

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Solution

The fourth proportional to 934,873.72, 1,401,811.68 and 485,141.78 is: 727,453.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,873.72 : 1,401,811.68 = 485,141.78 : x
  2. Step 2: Convert to fraction form
    934,873.72/1,401,811.68 = 485,141.78/x
  3. Step 3: Cross multiply
    934,873.72x = 1,401,811.68 × 485,141.78
  4. Step 4: Simplify right side
    934,873.72x = 680,077,413,659.99
  5. Step 5: Solve for x
    x = 680,077,413,659.99/934,873.72
  6. Step 6: Final answer
    x = 727,453.77

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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.