Home / 783,469.80-1,175,309.33-310,044.51

Finding the Fourth Proportional to 783,469.80, 1,175,309.33 and 310,044.51

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Solution

The fourth proportional to 783,469.80, 1,175,309.33 and 310,044.51 is: 465,108.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,469.80 : 1,175,309.33 = 310,044.51 : x
  2. Step 2: Convert to fraction form
    783,469.80/1,175,309.33 = 310,044.51/x
  3. Step 3: Cross multiply
    783,469.80x = 1,175,309.33 × 310,044.51
  4. Step 4: Simplify right side
    783,469.80x = 364,398,203,768.06
  5. Step 5: Solve for x
    x = 364,398,203,768.06/783,469.80
  6. Step 6: Final answer
    x = 465,108.17

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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.