Home / 545,864.87-753,283.52-304,142.22

Finding the Fourth Proportional to 545,864.87, 753,283.52 and 304,142.22

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Solution

The fourth proportional to 545,864.87, 753,283.52 and 304,142.22 is: 419,710.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,864.87 : 753,283.52 = 304,142.22 : x
  2. Step 2: Convert to fraction form
    545,864.87/753,283.52 = 304,142.22/x
  3. Step 3: Cross multiply
    545,864.87x = 753,283.52 × 304,142.22
  4. Step 4: Simplify right side
    545,864.87x = 229,105,320,418.83
  5. Step 5: Solve for x
    x = 229,105,320,418.83/545,864.87
  6. Step 6: Final answer
    x = 419,710.69

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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.