Home / 951,221.97-1,312,651.49-521,492.67

Finding the Fourth Proportional to 951,221.97, 1,312,651.49 and 521,492.67

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Solution

The fourth proportional to 951,221.97, 1,312,651.49 and 521,492.67 is: 719,640.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,221.97 : 1,312,651.49 = 521,492.67 : x
  2. Step 2: Convert to fraction form
    951,221.97/1,312,651.49 = 521,492.67/x
  3. Step 3: Cross multiply
    951,221.97x = 1,312,651.49 × 521,492.67
  4. Step 4: Simplify right side
    951,221.97x = 684,538,127,692.12
  5. Step 5: Solve for x
    x = 684,538,127,692.12/951,221.97
  6. Step 6: Final answer
    x = 719,640.79

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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.