Home / 744,142.88-1,026,918.60-404,610.32

Finding the Fourth Proportional to 744,142.88, 1,026,918.60 and 404,610.32

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Solution

The fourth proportional to 744,142.88, 1,026,918.60 and 404,610.32 is: 558,363.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,142.88 : 1,026,918.60 = 404,610.32 : x
  2. Step 2: Convert to fraction form
    744,142.88/1,026,918.60 = 404,610.32/x
  3. Step 3: Cross multiply
    744,142.88x = 1,026,918.60 × 404,610.32
  4. Step 4: Simplify right side
    744,142.88x = 415,501,863,359.95
  5. Step 5: Solve for x
    x = 415,501,863,359.95/744,142.88
  6. Step 6: Final answer
    x = 558,363.02

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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.