Home / 589,059.40-883,589.10-308,540.20

Finding the Fourth Proportional to 589,059.40, 883,589.10 and 308,540.20

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Solution

The fourth proportional to 589,059.40, 883,589.10 and 308,540.20 is: 462,810.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,059.40 : 883,589.10 = 308,540.20 : x
  2. Step 2: Convert to fraction form
    589,059.40/883,589.10 = 308,540.20/x
  3. Step 3: Cross multiply
    589,059.40x = 883,589.10 × 308,540.20
  4. Step 4: Simplify right side
    589,059.40x = 272,622,757,631.82
  5. Step 5: Solve for x
    x = 272,622,757,631.82/589,059.40
  6. Step 6: Final answer
    x = 462,810.30

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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.