Home / 743,824.16-1,026,489-404,293.28

Finding the Fourth Proportional to 743,824.16, 1,026,489 and 404,293.28

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Solution

The fourth proportional to 743,824.16, 1,026,489 and 404,293.28 is: 557,931.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,824.16 : 1,026,489 = 404,293.28 : x
  2. Step 2: Convert to fraction form
    743,824.16/1,026,489 = 404,293.28/x
  3. Step 3: Cross multiply
    743,824.16x = 1,026,489 × 404,293.28
  4. Step 4: Simplify right side
    743,824.16x = 415,002,604,693.92
  5. Step 5: Solve for x
    x = 415,002,604,693.92/743,824.16
  6. Step 6: Final answer
    x = 557,931.06

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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.