Home / 904,264.62-1,247,887.89-496,408.26

Finding the Fourth Proportional to 904,264.62, 1,247,887.89 and 496,408.26

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Solution

The fourth proportional to 904,264.62, 1,247,887.89 and 496,408.26 is: 685,044.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,264.62 : 1,247,887.89 = 496,408.26 : x
  2. Step 2: Convert to fraction form
    904,264.62/1,247,887.89 = 496,408.26/x
  3. Step 3: Cross multiply
    904,264.62x = 1,247,887.89 × 496,408.26
  4. Step 4: Simplify right side
    904,264.62x = 619,461,856,149.97
  5. Step 5: Solve for x
    x = 619,461,856,149.97/904,264.62
  6. Step 6: Final answer
    x = 685,044.89

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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.