Home / 495,063.72-683,169.64-268,704.36

Finding the Fourth Proportional to 495,063.72, 683,169.64 and 268,704.36

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Solution

The fourth proportional to 495,063.72, 683,169.64 and 268,704.36 is: 370,802.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,063.72 : 683,169.64 = 268,704.36 : x
  2. Step 2: Convert to fraction form
    495,063.72/683,169.64 = 268,704.36/x
  3. Step 3: Cross multiply
    495,063.72x = 683,169.64 × 268,704.36
  4. Step 4: Simplify right side
    495,063.72x = 183,570,660,887.63
  5. Step 5: Solve for x
    x = 183,570,660,887.63/495,063.72
  6. Step 6: Final answer
    x = 370,802.09

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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.