Home / 450,930.24-620,867.43-382,806

Finding the Fourth Proportional to 450,930.24, 620,867.43 and 382,806

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Solution

The fourth proportional to 450,930.24, 620,867.43 and 382,806 is: 527,069.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,930.24 : 620,867.43 = 382,806 : x
  2. Step 2: Convert to fraction form
    450,930.24/620,867.43 = 382,806/x
  3. Step 3: Cross multiply
    450,930.24x = 620,867.43 × 382,806
  4. Step 4: Simplify right side
    450,930.24x = 237,671,777,408.58
  5. Step 5: Solve for x
    x = 237,671,777,408.58/450,930.24
  6. Step 6: Final answer
    x = 527,069.95

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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.