Home / 456,220.32-629,529.12-252,243.68

Finding the Fourth Proportional to 456,220.32, 629,529.12 and 252,243.68

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Solution

The fourth proportional to 456,220.32, 629,529.12 and 252,243.68 is: 348,065.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,220.32 : 629,529.12 = 252,243.68 : x
  2. Step 2: Convert to fraction form
    456,220.32/629,529.12 = 252,243.68/x
  3. Step 3: Cross multiply
    456,220.32x = 629,529.12 × 252,243.68
  4. Step 4: Simplify right side
    456,220.32x = 158,794,741,895.96
  5. Step 5: Solve for x
    x = 158,794,741,895.96/456,220.32
  6. Step 6: Final answer
    x = 348,065.91

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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.