Home / 545,976.63-753,448.49-304,253.91

Finding the Fourth Proportional to 545,976.63, 753,448.49 and 304,253.91

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Solution

The fourth proportional to 545,976.63, 753,448.49 and 304,253.91 is: 419,870.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,976.63 : 753,448.49 = 304,253.91 : x
  2. Step 2: Convert to fraction form
    545,976.63/753,448.49 = 304,253.91/x
  3. Step 3: Cross multiply
    545,976.63x = 753,448.49 × 304,253.91
  4. Step 4: Simplify right side
    545,976.63x = 229,239,647,544.83
  5. Step 5: Solve for x
    x = 229,239,647,544.83/545,976.63
  6. Step 6: Final answer
    x = 419,870.81

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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.