Home / 763,815.03-1,054,082.33-419,672.44

Finding the Fourth Proportional to 763,815.03, 1,054,082.33 and 419,672.44

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Solution

The fourth proportional to 763,815.03, 1,054,082.33 and 419,672.44 is: 579,157.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,815.03 : 1,054,082.33 = 419,672.44 : x
  2. Step 2: Convert to fraction form
    763,815.03/1,054,082.33 = 419,672.44/x
  3. Step 3: Cross multiply
    763,815.03x = 1,054,082.33 × 419,672.44
  4. Step 4: Simplify right side
    763,815.03x = 442,369,303,391.99
  5. Step 5: Solve for x
    x = 442,369,303,391.99/763,815.03
  6. Step 6: Final answer
    x = 579,157.63

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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.