Home / 743,175.83-1,025,577.01-403,646.51

Finding the Fourth Proportional to 743,175.83, 1,025,577.01 and 403,646.51

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Solution

The fourth proportional to 743,175.83, 1,025,577.01 and 403,646.51 is: 557,029.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,175.83 : 1,025,577.01 = 403,646.51 : x
  2. Step 2: Convert to fraction form
    743,175.83/1,025,577.01 = 403,646.51/x
  3. Step 3: Cross multiply
    743,175.83x = 1,025,577.01 × 403,646.51
  4. Step 4: Simplify right side
    743,175.83x = 413,970,583,891.24
  5. Step 5: Solve for x
    x = 413,970,583,891.24/743,175.83
  6. Step 6: Final answer
    x = 557,029.13

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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.