Home / 495,428.40-683,679.96-269,069.04

Finding the Fourth Proportional to 495,428.40, 683,679.96 and 269,069.04

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Solution

The fourth proportional to 495,428.40, 683,679.96 and 269,069.04 is: 371,309.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,428.40 : 683,679.96 = 269,069.04 : x
  2. Step 2: Convert to fraction form
    495,428.40/683,679.96 = 269,069.04/x
  3. Step 3: Cross multiply
    495,428.40x = 683,679.96 × 269,069.04
  4. Step 4: Simplify right side
    495,428.40x = 183,957,110,504.44
  5. Step 5: Solve for x
    x = 183,957,110,504.44/495,428.40
  6. Step 6: Final answer
    x = 371,309.18

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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.