Home / 790,972.77-1,091,561.10-451,472.61

Finding the Fourth Proportional to 790,972.77, 1,091,561.10 and 451,472.61

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Solution

The fourth proportional to 790,972.77, 1,091,561.10 and 451,472.61 is: 623,042.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,972.77 : 1,091,561.10 = 451,472.61 : x
  2. Step 2: Convert to fraction form
    790,972.77/1,091,561.10 = 451,472.61/x
  3. Step 3: Cross multiply
    790,972.77x = 1,091,561.10 × 451,472.61
  4. Step 4: Simplify right side
    790,972.77x = 492,809,938,791.47
  5. Step 5: Solve for x
    x = 492,809,938,791.47/790,972.77
  6. Step 6: Final answer
    x = 623,042.86

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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.