Home / 811,269.45-1,216,906.23-331,497.24

Finding the Fourth Proportional to 811,269.45, 1,216,906.23 and 331,497.24

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Solution

The fourth proportional to 811,269.45, 1,216,906.23 and 331,497.24 is: 497,246.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,269.45 : 1,216,906.23 = 331,497.24 : x
  2. Step 2: Convert to fraction form
    811,269.45/1,216,906.23 = 331,497.24/x
  3. Step 3: Cross multiply
    811,269.45x = 1,216,906.23 × 331,497.24
  4. Step 4: Simplify right side
    811,269.45x = 403,401,056,583.81
  5. Step 5: Solve for x
    x = 403,401,056,583.81/811,269.45
  6. Step 6: Final answer
    x = 497,246.70

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1.5x scale

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.