Home / 744,120.55-1,026,879.14-404,588.80

Finding the Fourth Proportional to 744,120.55, 1,026,879.14 and 404,588.80

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Solution

The fourth proportional to 744,120.55, 1,026,879.14 and 404,588.80 is: 558,328.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,120.55 : 1,026,879.14 = 404,588.80 : x
  2. Step 2: Convert to fraction form
    744,120.55/1,026,879.14 = 404,588.80/x
  3. Step 3: Cross multiply
    744,120.55x = 1,026,879.14 × 404,588.80
  4. Step 4: Simplify right side
    744,120.55x = 415,463,791,840.29
  5. Step 5: Solve for x
    x = 415,463,791,840.29/744,120.55
  6. Step 6: Final answer
    x = 558,328.61

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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.