Home / 743,832-1,026,484.32-404,302.08

Finding the Fourth Proportional to 743,832, 1,026,484.32 and 404,302.08

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Solution

The fourth proportional to 743,832, 1,026,484.32 and 404,302.08 is: 557,934.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,832 : 1,026,484.32 = 404,302.08 : x
  2. Step 2: Convert to fraction form
    743,832/1,026,484.32 = 404,302.08/x
  3. Step 3: Cross multiply
    743,832x = 1,026,484.32 × 404,302.08
  4. Step 4: Simplify right side
    743,832x = 415,009,745,663.39
  5. Step 5: Solve for x
    x = 415,009,745,663.39/743,832
  6. Step 6: Final answer
    x = 557,934.78

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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.