Home / 958,711.80-1,438,067.70-293,777.40

Finding the Fourth Proportional to 958,711.80, 1,438,067.70 and 293,777.40

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Solution

The fourth proportional to 958,711.80, 1,438,067.70 and 293,777.40 is: 440,666.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,711.80 : 1,438,067.70 = 293,777.40 : x
  2. Step 2: Convert to fraction form
    958,711.80/1,438,067.70 = 293,777.40/x
  3. Step 3: Cross multiply
    958,711.80x = 1,438,067.70 × 293,777.40
  4. Step 4: Simplify right side
    958,711.80x = 422,471,789,929.98
  5. Step 5: Solve for x
    x = 422,471,789,929.98/958,711.80
  6. Step 6: Final answer
    x = 440,666.10

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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.