Home / 778,371.57-1,166,704.43-304,536.15

Finding the Fourth Proportional to 778,371.57, 1,166,704.43 and 304,536.15

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Solution

The fourth proportional to 778,371.57, 1,166,704.43 and 304,536.15 is: 456,470.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,371.57 : 1,166,704.43 = 304,536.15 : x
  2. Step 2: Convert to fraction form
    778,371.57/1,166,704.43 = 304,536.15/x
  3. Step 3: Cross multiply
    778,371.57x = 1,166,704.43 × 304,536.15
  4. Step 4: Simplify right side
    778,371.57x = 355,303,673,777.46
  5. Step 5: Solve for x
    x = 355,303,673,777.46/778,371.57
  6. Step 6: Final answer
    x = 456,470.52

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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.