Home / 805,411.24-1,206,503.94-485,384.92

Finding the Fourth Proportional to 805,411.24, 1,206,503.94 and 485,384.92

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Solution

The fourth proportional to 805,411.24, 1,206,503.94 and 485,384.92 is: 727,105.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,411.24 : 1,206,503.94 = 485,384.92 : x
  2. Step 2: Convert to fraction form
    805,411.24/1,206,503.94 = 485,384.92/x
  3. Step 3: Cross multiply
    805,411.24x = 1,206,503.94 × 485,384.92
  4. Step 4: Simplify right side
    805,411.24x = 585,618,818,396.59
  5. Step 5: Solve for x
    x = 585,618,818,396.59/805,411.24
  6. Step 6: Final answer
    x = 727,105.35

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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.