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Finding the Fourth Proportional to 544,724.12, 751,725.05 and 299,712.10

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Solution

The fourth proportional to 544,724.12, 751,725.05 and 299,712.10 is: 413,605.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,724.12 : 751,725.05 = 299,712.10 : x
  2. Step 2: Convert to fraction form
    544,724.12/751,725.05 = 299,712.10/x
  3. Step 3: Cross multiply
    544,724.12x = 751,725.05 × 299,712.10
  4. Step 4: Simplify right side
    544,724.12x = 225,301,089,599.48
  5. Step 5: Solve for x
    x = 225,301,089,599.48/544,724.12
  6. Step 6: Final answer
    x = 413,605.86

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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.