Home / 835,311.14-1,252,685.91-302,720.66

Finding the Fourth Proportional to 835,311.14, 1,252,685.91 and 302,720.66

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Solution

The fourth proportional to 835,311.14, 1,252,685.91 and 302,720.66 is: 453,979.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,311.14 : 1,252,685.91 = 302,720.66 : x
  2. Step 2: Convert to fraction form
    835,311.14/1,252,685.91 = 302,720.66/x
  3. Step 3: Cross multiply
    835,311.14x = 1,252,685.91 × 302,720.66
  4. Step 4: Simplify right side
    835,311.14x = 379,213,905,447.90
  5. Step 5: Solve for x
    x = 379,213,905,447.90/835,311.14
  6. Step 6: Final answer
    x = 453,979.23

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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.