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Finding the Fourth Proportional to 599,540.40, 899,051.40 and 299,905.20

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Solution

The fourth proportional to 599,540.40, 899,051.40 and 299,905.20 is: 449,728.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,540.40 : 899,051.40 = 299,905.20 : x
  2. Step 2: Convert to fraction form
    599,540.40/899,051.40 = 299,905.20/x
  3. Step 3: Cross multiply
    599,540.40x = 899,051.40 × 299,905.20
  4. Step 4: Simplify right side
    599,540.40x = 269,630,189,927.28
  5. Step 5: Solve for x
    x = 269,630,189,927.28/599,540.40
  6. Step 6: Final answer
    x = 449,728.14

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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.