Home / 346,733.20-520,099.80-325,997.20

Finding the Fourth Proportional to 346,733.20, 520,099.80 and 325,997.20

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Solution

The fourth proportional to 346,733.20, 520,099.80 and 325,997.20 is: 488,995.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,733.20 : 520,099.80 = 325,997.20 : x
  2. Step 2: Convert to fraction form
    346,733.20/520,099.80 = 325,997.20/x
  3. Step 3: Cross multiply
    346,733.20x = 520,099.80 × 325,997.20
  4. Step 4: Simplify right side
    346,733.20x = 169,551,078,520.56
  5. Step 5: Solve for x
    x = 169,551,078,520.56/346,733.20
  6. Step 6: Final answer
    x = 488,995.80

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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.