Home / 845,486.20-1,268,229.30-284,462.20

Finding the Fourth Proportional to 845,486.20, 1,268,229.30 and 284,462.20

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Solution

The fourth proportional to 845,486.20, 1,268,229.30 and 284,462.20 is: 426,693.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,486.20 : 1,268,229.30 = 284,462.20 : x
  2. Step 2: Convert to fraction form
    845,486.20/1,268,229.30 = 284,462.20/x
  3. Step 3: Cross multiply
    845,486.20x = 1,268,229.30 × 284,462.20
  4. Step 4: Simplify right side
    845,486.20x = 360,763,296,782.46
  5. Step 5: Solve for x
    x = 360,763,296,782.46/845,486.20
  6. Step 6: Final answer
    x = 426,693.30

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Half scale
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Double scale
Find fourth proportional to 845,487.20, 1,268,230.80 and 284,463.20
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.