Home / 495,170.41-683,055.90-288,414.43

Finding the Fourth Proportional to 495,170.41, 683,055.90 and 288,414.43

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Solution

The fourth proportional to 495,170.41, 683,055.90 and 288,414.43 is: 397,849.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,170.41 : 683,055.90 = 288,414.43 : x
  2. Step 2: Convert to fraction form
    495,170.41/683,055.90 = 288,414.43/x
  3. Step 3: Cross multiply
    495,170.41x = 683,055.90 × 288,414.43
  4. Step 4: Simplify right side
    495,170.41x = 197,003,180,731.96
  5. Step 5: Solve for x
    x = 197,003,180,731.96/495,170.41
  6. Step 6: Final answer
    x = 397,849.26

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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.