Home / 455,741.48-628,929.81-251,797.11

Finding the Fourth Proportional to 455,741.48, 628,929.81 and 251,797.11

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Solution

The fourth proportional to 455,741.48, 628,929.81 and 251,797.11 is: 347,483.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,741.48 : 628,929.81 = 251,797.11 : x
  2. Step 2: Convert to fraction form
    455,741.48/628,929.81 = 251,797.11/x
  3. Step 3: Cross multiply
    455,741.48x = 628,929.81 × 251,797.11
  4. Step 4: Simplify right side
    455,741.48x = 158,362,708,550.85
  5. Step 5: Solve for x
    x = 158,362,708,550.85/455,741.48
  6. Step 6: Final answer
    x = 347,483.64

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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.