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Finding the Fourth Proportional to 346,704.60, 520,056.90 and 303,850.20

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Solution

The fourth proportional to 346,704.60, 520,056.90 and 303,850.20 is: 455,775.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,704.60 : 520,056.90 = 303,850.20 : x
  2. Step 2: Convert to fraction form
    346,704.60/520,056.90 = 303,850.20/x
  3. Step 3: Cross multiply
    346,704.60x = 520,056.90 × 303,850.20
  4. Step 4: Simplify right side
    346,704.60x = 158,019,393,076.38
  5. Step 5: Solve for x
    x = 158,019,393,076.38/346,704.60
  6. Step 6: Final answer
    x = 455,775.30

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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.