Home / 743,736.52-1,026,350.76-404,207.20

Finding the Fourth Proportional to 743,736.52, 1,026,350.76 and 404,207.20

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Solution

The fourth proportional to 743,736.52, 1,026,350.76 and 404,207.20 is: 557,802.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,736.52 : 1,026,350.76 = 404,207.20 : x
  2. Step 2: Convert to fraction form
    743,736.52/1,026,350.76 = 404,207.20/x
  3. Step 3: Cross multiply
    743,736.52x = 1,026,350.76 × 404,207.20
  4. Step 4: Simplify right side
    743,736.52x = 414,858,366,917.47
  5. Step 5: Solve for x
    x = 414,858,366,917.47/743,736.52
  6. Step 6: Final answer
    x = 557,802.87

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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.