Home / 455,996.05-629,210.26-259,767.69

Finding the Fourth Proportional to 455,996.05, 629,210.26 and 259,767.69

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Solution

The fourth proportional to 455,996.05, 629,210.26 and 259,767.69 is: 358,442.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,996.05 : 629,210.26 = 259,767.69 : x
  2. Step 2: Convert to fraction form
    455,996.05/629,210.26 = 259,767.69/x
  3. Step 3: Cross multiply
    455,996.05x = 629,210.26 × 259,767.69
  4. Step 4: Simplify right side
    455,996.05x = 163,448,494,192.88
  5. Step 5: Solve for x
    x = 163,448,494,192.88/455,996.05
  6. Step 6: Final answer
    x = 358,442.79

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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.