Home / 783,691.75-1,174,553.74-423,848.26

Finding the Fourth Proportional to 783,691.75, 1,174,553.74 and 423,848.26

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Solution

The fourth proportional to 783,691.75, 1,174,553.74 and 423,848.26 is: 635,240.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,691.75 : 1,174,553.74 = 423,848.26 : x
  2. Step 2: Convert to fraction form
    783,691.75/1,174,553.74 = 423,848.26/x
  3. Step 3: Cross multiply
    783,691.75x = 1,174,553.74 × 423,848.26
  4. Step 4: Simplify right side
    783,691.75x = 497,832,558,975.49
  5. Step 5: Solve for x
    x = 497,832,558,975.49/783,691.75
  6. Step 6: Final answer
    x = 635,240.27

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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.