Home / 845,637.60-1,268,456.40-254,584.80

Finding the Fourth Proportional to 845,637.60, 1,268,456.40 and 254,584.80

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Solution

The fourth proportional to 845,637.60, 1,268,456.40 and 254,584.80 is: 381,877.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,637.60 : 1,268,456.40 = 254,584.80 : x
  2. Step 2: Convert to fraction form
    845,637.60/1,268,456.40 = 254,584.80/x
  3. Step 3: Cross multiply
    845,637.60x = 1,268,456.40 × 254,584.80
  4. Step 4: Simplify right side
    845,637.60x = 322,929,718,902.72
  5. Step 5: Solve for x
    x = 322,929,718,902.72/845,637.60
  6. Step 6: Final answer
    x = 381,877.20

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.