Home / 495,435.72-683,704.80-269,081.22

Finding the Fourth Proportional to 495,435.72, 683,704.80 and 269,081.22

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Solution

The fourth proportional to 495,435.72, 683,704.80 and 269,081.22 is: 371,333.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,435.72 : 683,704.80 = 269,081.22 : x
  2. Step 2: Convert to fraction form
    495,435.72/683,704.80 = 269,081.22/x
  3. Step 3: Cross multiply
    495,435.72x = 683,704.80 × 269,081.22
  4. Step 4: Simplify right side
    495,435.72x = 183,972,121,703.86
  5. Step 5: Solve for x
    x = 183,972,121,703.86/495,435.72
  6. Step 6: Final answer
    x = 371,333.99

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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.