Home / 743,724.48-1,026,345.96-404,192.64

Finding the Fourth Proportional to 743,724.48, 1,026,345.96 and 404,192.64

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Solution

The fourth proportional to 743,724.48, 1,026,345.96 and 404,192.64 is: 557,789.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,724.48 : 1,026,345.96 = 404,192.64 : x
  2. Step 2: Convert to fraction form
    743,724.48/1,026,345.96 = 404,192.64/x
  3. Step 3: Cross multiply
    743,724.48x = 1,026,345.96 × 404,192.64
  4. Step 4: Simplify right side
    743,724.48x = 414,841,483,125.73
  5. Step 5: Solve for x
    x = 414,841,483,125.73/743,724.48
  6. Step 6: Final answer
    x = 557,789.20

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Double scale
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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.