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Finding the Fourth Proportional to 524,102.40, 722,908.80 and 354,067.20

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Solution

The fourth proportional to 524,102.40, 722,908.80 and 354,067.20 is: 488,374.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,102.40 : 722,908.80 = 354,067.20 : x
  2. Step 2: Convert to fraction form
    524,102.40/722,908.80 = 354,067.20/x
  3. Step 3: Cross multiply
    524,102.40x = 722,908.80 × 354,067.20
  4. Step 4: Simplify right side
    524,102.40x = 255,958,294,671.36
  5. Step 5: Solve for x
    x = 255,958,294,671.36/524,102.40
  6. Step 6: Final answer
    x = 488,374.59

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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.