Home / 939,727.34-1,296,812.94-510,007.76

Finding the Fourth Proportional to 939,727.34, 1,296,812.94 and 510,007.76

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Solution

The fourth proportional to 939,727.34, 1,296,812.94 and 510,007.76 is: 703,804.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,727.34 : 1,296,812.94 = 510,007.76 : x
  2. Step 2: Convert to fraction form
    939,727.34/1,296,812.94 = 510,007.76/x
  3. Step 3: Cross multiply
    939,727.34x = 1,296,812.94 × 510,007.76
  4. Step 4: Simplify right side
    939,727.34x = 661,384,662,668.41
  5. Step 5: Solve for x
    x = 661,384,662,668.41/939,727.34
  6. Step 6: Final answer
    x = 703,804.85

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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.