Home / 455,238.09-627,873.32-291,910.10

Finding the Fourth Proportional to 455,238.09, 627,873.32 and 291,910.10

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Solution

The fourth proportional to 455,238.09, 627,873.32 and 291,910.10 is: 402,608.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,238.09 : 627,873.32 = 291,910.10 : x
  2. Step 2: Convert to fraction form
    455,238.09/627,873.32 = 291,910.10/x
  3. Step 3: Cross multiply
    455,238.09x = 627,873.32 × 291,910.10
  4. Step 4: Simplify right side
    455,238.09x = 183,282,561,218.94
  5. Step 5: Solve for x
    x = 183,282,561,218.94/455,238.09
  6. Step 6: Final answer
    x = 402,608.14

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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.