Home / 456,245.40-629,622.75-252,310.05

Finding the Fourth Proportional to 456,245.40, 629,622.75 and 252,310.05

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Solution

The fourth proportional to 456,245.40, 629,622.75 and 252,310.05 is: 348,190.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,245.40 : 629,622.75 = 252,310.05 : x
  2. Step 2: Convert to fraction form
    456,245.40/629,622.75 = 252,310.05/x
  3. Step 3: Cross multiply
    456,245.40x = 629,622.75 × 252,310.05
  4. Step 4: Simplify right side
    456,245.40x = 158,860,147,533.64
  5. Step 5: Solve for x
    x = 158,860,147,533.64/456,245.40
  6. Step 6: Final answer
    x = 348,190.14

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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.