Home / 508,738.26-702,067.03-279,316.70

Finding the Fourth Proportional to 508,738.26, 702,067.03 and 279,316.70

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Solution

The fourth proportional to 508,738.26, 702,067.03 and 279,316.70 is: 385,461.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,738.26 : 702,067.03 = 279,316.70 : x
  2. Step 2: Convert to fraction form
    508,738.26/702,067.03 = 279,316.70/x
  3. Step 3: Cross multiply
    508,738.26x = 702,067.03 × 279,316.70
  4. Step 4: Simplify right side
    508,738.26x = 196,099,045,998.40
  5. Step 5: Solve for x
    x = 196,099,045,998.40/508,738.26
  6. Step 6: Final answer
    x = 385,461.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.