Home / 807,422.28-1,211,370.27-238,818.38

Finding the Fourth Proportional to 807,422.28, 1,211,370.27 and 238,818.38

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Solution

The fourth proportional to 807,422.28, 1,211,370.27 and 238,818.38 is: 358,297.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,422.28 : 1,211,370.27 = 238,818.38 : x
  2. Step 2: Convert to fraction form
    807,422.28/1,211,370.27 = 238,818.38/x
  3. Step 3: Cross multiply
    807,422.28x = 1,211,370.27 × 238,818.38
  4. Step 4: Simplify right side
    807,422.28x = 289,297,478,509.14
  5. Step 5: Solve for x
    x = 289,297,478,509.14/807,422.28
  6. Step 6: Final answer
    x = 358,297.62

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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.