Home / 992,048.69-1,487,716.23-343,448.76

Finding the Fourth Proportional to 992,048.69, 1,487,716.23 and 343,448.76

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Solution

The fourth proportional to 992,048.69, 1,487,716.23 and 343,448.76 is: 515,049.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,048.69 : 1,487,716.23 = 343,448.76 : x
  2. Step 2: Convert to fraction form
    992,048.69/1,487,716.23 = 343,448.76/x
  3. Step 3: Cross multiply
    992,048.69x = 1,487,716.23 × 343,448.76
  4. Step 4: Simplify right side
    992,048.69x = 510,954,296,427.42
  5. Step 5: Solve for x
    x = 510,954,296,427.42/992,048.69
  6. Step 6: Final answer
    x = 515,049.62

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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.