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Finding the Fourth Proportional to 379,066.08, 520,362.60 and 375,523.68

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Solution

The fourth proportional to 379,066.08, 520,362.60 and 375,523.68 is: 515,499.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,066.08 : 520,362.60 = 375,523.68 : x
  2. Step 2: Convert to fraction form
    379,066.08/520,362.60 = 375,523.68/x
  3. Step 3: Cross multiply
    379,066.08x = 520,362.60 × 375,523.68
  4. Step 4: Simplify right side
    379,066.08x = 195,408,478,486.37
  5. Step 5: Solve for x
    x = 195,408,478,486.37/379,066.08
  6. Step 6: Final answer
    x = 515,499.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.