Home / 813,825.72-1,123,046.64-446,295.24

Finding the Fourth Proportional to 813,825.72, 1,123,046.64 and 446,295.24

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Solution

The fourth proportional to 813,825.72, 1,123,046.64 and 446,295.24 is: 615,869.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,825.72 : 1,123,046.64 = 446,295.24 : x
  2. Step 2: Convert to fraction form
    813,825.72/1,123,046.64 = 446,295.24/x
  3. Step 3: Cross multiply
    813,825.72x = 1,123,046.64 × 446,295.24
  4. Step 4: Simplify right side
    813,825.72x = 501,210,369,729.99
  5. Step 5: Solve for x
    x = 501,210,369,729.99/813,825.72
  6. Step 6: Final answer
    x = 615,869.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.