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Finding the Fourth Proportional to 541,659.83, 747,490.08 and 299,942.40

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Solution

The fourth proportional to 541,659.83, 747,490.08 and 299,942.40 is: 413,920.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,659.83 : 747,490.08 = 299,942.40 : x
  2. Step 2: Convert to fraction form
    541,659.83/747,490.08 = 299,942.40/x
  3. Step 3: Cross multiply
    541,659.83x = 747,490.08 × 299,942.40
  4. Step 4: Simplify right side
    541,659.83x = 224,203,968,571.39
  5. Step 5: Solve for x
    x = 224,203,968,571.39/541,659.83
  6. Step 6: Final answer
    x = 413,920.25

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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.