Home / 693,305.91-1,039,294.49-293,396.43

Finding the Fourth Proportional to 693,305.91, 1,039,294.49 and 293,396.43

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Solution

The fourth proportional to 693,305.91, 1,039,294.49 and 293,396.43 is: 439,813.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,305.91 : 1,039,294.49 = 293,396.43 : x
  2. Step 2: Convert to fraction form
    693,305.91/1,039,294.49 = 293,396.43/x
  3. Step 3: Cross multiply
    693,305.91x = 1,039,294.49 × 293,396.43
  4. Step 4: Simplify right side
    693,305.91x = 304,925,291,617.69
  5. Step 5: Solve for x
    x = 304,925,291,617.69/693,305.91
  6. Step 6: Final answer
    x = 439,813.49

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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.