Home / 904,339.67-1,356,495.68-305,721.32

Finding the Fourth Proportional to 904,339.67, 1,356,495.68 and 305,721.32

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Solution

The fourth proportional to 904,339.67, 1,356,495.68 and 305,721.32 is: 458,577.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,339.67 : 1,356,495.68 = 305,721.32 : x
  2. Step 2: Convert to fraction form
    904,339.67/1,356,495.68 = 305,721.32/x
  3. Step 3: Cross multiply
    904,339.67x = 1,356,495.68 × 305,721.32
  4. Step 4: Simplify right side
    904,339.67x = 414,709,649,863.90
  5. Step 5: Solve for x
    x = 414,709,649,863.90/904,339.67
  6. Step 6: Final answer
    x = 458,577.31

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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.