Home / 668,613.67-1,003,399.35-284,631.73

Finding the Fourth Proportional to 668,613.67, 1,003,399.35 and 284,631.73

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Solution

The fourth proportional to 668,613.67, 1,003,399.35 and 284,631.73 is: 427,151.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,613.67 : 1,003,399.35 = 284,631.73 : x
  2. Step 2: Convert to fraction form
    668,613.67/1,003,399.35 = 284,631.73/x
  3. Step 3: Cross multiply
    668,613.67x = 1,003,399.35 × 284,631.73
  4. Step 4: Simplify right side
    668,613.67x = 285,599,293,170.79
  5. Step 5: Solve for x
    x = 285,599,293,170.79/668,613.67
  6. Step 6: Final answer
    x = 427,151.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.