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Finding the Fourth Proportional to 541,403.20, 810,549.60 and 331,451.20

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Solution

The fourth proportional to 541,403.20, 810,549.60 and 331,451.20 is: 496,224.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,403.20 : 810,549.60 = 331,451.20 : x
  2. Step 2: Convert to fraction form
    541,403.20/810,549.60 = 331,451.20/x
  3. Step 3: Cross multiply
    541,403.20x = 810,549.60 × 331,451.20
  4. Step 4: Simplify right side
    541,403.20x = 268,657,637,579.52
  5. Step 5: Solve for x
    x = 268,657,637,579.52/541,403.20
  6. Step 6: Final answer
    x = 496,224.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.