Home / 495,430.40-683,682.72-269,071.04

Finding the Fourth Proportional to 495,430.40, 683,682.72 and 269,071.04

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Solution

The fourth proportional to 495,430.40, 683,682.72 and 269,071.04 is: 371,311.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,430.40 : 683,682.72 = 269,071.04 : x
  2. Step 2: Convert to fraction form
    495,430.40/683,682.72 = 269,071.04/x
  3. Step 3: Cross multiply
    495,430.40x = 683,682.72 × 269,071.04
  4. Step 4: Simplify right side
    495,430.40x = 183,959,220,500.43
  5. Step 5: Solve for x
    x = 183,959,220,500.43/495,430.40
  6. Step 6: Final answer
    x = 371,311.94

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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.