Home / 845,488.20-1,268,232.30-284,464.20

Finding the Fourth Proportional to 845,488.20, 1,268,232.30 and 284,464.20

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Solution

The fourth proportional to 845,488.20, 1,268,232.30 and 284,464.20 is: 426,696.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,488.20 : 1,268,232.30 = 284,464.20 : x
  2. Step 2: Convert to fraction form
    845,488.20/1,268,232.30 = 284,464.20/x
  3. Step 3: Cross multiply
    845,488.20x = 1,268,232.30 × 284,464.20
  4. Step 4: Simplify right side
    845,488.20x = 360,766,686,633.66
  5. Step 5: Solve for x
    x = 360,766,686,633.66/845,488.20
  6. Step 6: Final answer
    x = 426,696.30

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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.