Home / 939,723.59-1,296,819.21-510,003.71

Finding the Fourth Proportional to 939,723.59, 1,296,819.21 and 510,003.71

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Solution

The fourth proportional to 939,723.59, 1,296,819.21 and 510,003.71 is: 703,805.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,723.59 : 1,296,819.21 = 510,003.71 : x
  2. Step 2: Convert to fraction form
    939,723.59/1,296,819.21 = 510,003.71/x
  3. Step 3: Cross multiply
    939,723.59x = 1,296,819.21 × 510,003.71
  4. Step 4: Simplify right side
    939,723.59x = 661,382,599,265.16
  5. Step 5: Solve for x
    x = 661,382,599,265.16/939,723.59
  6. Step 6: Final answer
    x = 703,805.47

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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.