Home / 770,849.05-1,063,644.79-484,164.94

Finding the Fourth Proportional to 770,849.05, 1,063,644.79 and 484,164.94

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Solution

The fourth proportional to 770,849.05, 1,063,644.79 and 484,164.94 is: 668,067.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,849.05 : 1,063,644.79 = 484,164.94 : x
  2. Step 2: Convert to fraction form
    770,849.05/1,063,644.79 = 484,164.94/x
  3. Step 3: Cross multiply
    770,849.05x = 1,063,644.79 × 484,164.94
  4. Step 4: Simplify right side
    770,849.05x = 514,979,508,192.61
  5. Step 5: Solve for x
    x = 514,979,508,192.61/770,849.05
  6. Step 6: Final answer
    x = 668,067.91

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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.