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Finding the Fourth Proportional to 544,612.12, 751,560.55 and 299,591.60

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Solution

The fourth proportional to 544,612.12, 751,560.55 and 299,591.60 is: 413,434.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,612.12 : 751,560.55 = 299,591.60 : x
  2. Step 2: Convert to fraction form
    544,612.12/751,560.55 = 299,591.60/x
  3. Step 3: Cross multiply
    544,612.12x = 751,560.55 × 299,591.60
  4. Step 4: Simplify right side
    544,612.12x = 225,161,223,164.60
  5. Step 5: Solve for x
    x = 225,161,223,164.60/544,612.12
  6. Step 6: Final answer
    x = 413,434.10

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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.