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Finding the Fourth Proportional to 544,494.36, 751,291.56 and 318,096.12

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Solution

The fourth proportional to 544,494.36, 751,291.56 and 318,096.12 is: 438,908.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,494.36 : 751,291.56 = 318,096.12 : x
  2. Step 2: Convert to fraction form
    544,494.36/751,291.56 = 318,096.12/x
  3. Step 3: Cross multiply
    544,494.36x = 751,291.56 × 318,096.12
  4. Step 4: Simplify right side
    544,494.36x = 238,982,930,224.75
  5. Step 5: Solve for x
    x = 238,982,930,224.75/544,494.36
  6. Step 6: Final answer
    x = 438,908.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.