Home / 783,747.75-1,178,279.13-625,840.89

Finding the Fourth Proportional to 783,747.75, 1,178,279.13 and 625,840.89

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Solution

The fourth proportional to 783,747.75, 1,178,279.13 and 625,840.89 is: 940,883.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,747.75 : 1,178,279.13 = 625,840.89 : x
  2. Step 2: Convert to fraction form
    783,747.75/1,178,279.13 = 625,840.89/x
  3. Step 3: Cross multiply
    783,747.75x = 1,178,279.13 × 625,840.89
  4. Step 4: Simplify right side
    783,747.75x = 737,415,259,387.63
  5. Step 5: Solve for x
    x = 737,415,259,387.63/783,747.75
  6. Step 6: Final answer
    x = 940,883.41

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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.