Home / 678,514.55-1,017,771.83-235,282.55

Finding the Fourth Proportional to 678,514.55, 1,017,771.83 and 235,282.55

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Solution

The fourth proportional to 678,514.55, 1,017,771.83 and 235,282.55 is: 352,923.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,514.55 : 1,017,771.83 = 235,282.55 : x
  2. Step 2: Convert to fraction form
    678,514.55/1,017,771.83 = 235,282.55/x
  3. Step 3: Cross multiply
    678,514.55x = 1,017,771.83 × 235,282.55
  4. Step 4: Simplify right side
    678,514.55x = 239,463,950,304.15
  5. Step 5: Solve for x
    x = 239,463,950,304.15/678,514.55
  6. Step 6: Final answer
    x = 352,923.83

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Double scale
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Similar ratio
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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.