Home / 743,608.64-1,026,195.09-404,098.76

Finding the Fourth Proportional to 743,608.64, 1,026,195.09 and 404,098.76

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Solution

The fourth proportional to 743,608.64, 1,026,195.09 and 404,098.76 is: 557,664.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,608.64 : 1,026,195.09 = 404,098.76 : x
  2. Step 2: Convert to fraction form
    743,608.64/1,026,195.09 = 404,098.76/x
  3. Step 3: Cross multiply
    743,608.64x = 1,026,195.09 × 404,098.76
  4. Step 4: Simplify right side
    743,608.64x = 414,684,163,387.09
  5. Step 5: Solve for x
    x = 414,684,163,387.09/743,608.64
  6. Step 6: Final answer
    x = 557,664.53

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Double scale
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Similar ratio
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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.