Home / 912,959.96-1,369,172.26-343,930.51

Finding the Fourth Proportional to 912,959.96, 1,369,172.26 and 343,930.51

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Solution

The fourth proportional to 912,959.96, 1,369,172.26 and 343,930.51 is: 515,794.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,959.96 : 1,369,172.26 = 343,930.51 : x
  2. Step 2: Convert to fraction form
    912,959.96/1,369,172.26 = 343,930.51/x
  3. Step 3: Cross multiply
    912,959.96x = 1,369,172.26 × 343,930.51
  4. Step 4: Simplify right side
    912,959.96x = 470,900,108,099.44
  5. Step 5: Solve for x
    x = 470,900,108,099.44/912,959.96
  6. Step 6: Final answer
    x = 515,794.92

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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.