Home / 495,223.20-683,380.80-291,297.60

Finding the Fourth Proportional to 495,223.20, 683,380.80 and 291,297.60

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Solution

The fourth proportional to 495,223.20, 683,380.80 and 291,297.60 is: 401,974.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,223.20 : 683,380.80 = 291,297.60 : x
  2. Step 2: Convert to fraction form
    495,223.20/683,380.80 = 291,297.60/x
  3. Step 3: Cross multiply
    495,223.20x = 683,380.80 × 291,297.60
  4. Step 4: Simplify right side
    495,223.20x = 199,067,186,926.08
  5. Step 5: Solve for x
    x = 199,067,186,926.08/495,223.20
  6. Step 6: Final answer
    x = 401,974.68

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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.