Home / 743,781.51-1,026,410.81-404,247.33

Finding the Fourth Proportional to 743,781.51, 1,026,410.81 and 404,247.33

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Solution

The fourth proportional to 743,781.51, 1,026,410.81 and 404,247.33 is: 557,857.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,781.51 : 1,026,410.81 = 404,247.33 : x
  2. Step 2: Convert to fraction form
    743,781.51/1,026,410.81 = 404,247.33/x
  3. Step 3: Cross multiply
    743,781.51x = 1,026,410.81 × 404,247.33
  4. Step 4: Simplify right side
    743,781.51x = 414,923,827,404.40
  5. Step 5: Solve for x
    x = 414,923,827,404.40/743,781.51
  6. Step 6: Final answer
    x = 557,857.14

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1.5x scale

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.