Home / 458,080.50-631,888.46-285,699.19

Finding the Fourth Proportional to 458,080.50, 631,888.46 and 285,699.19

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Solution

The fourth proportional to 458,080.50, 631,888.46 and 285,699.19 is: 394,101.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,080.50 : 631,888.46 = 285,699.19 : x
  2. Step 2: Convert to fraction form
    458,080.50/631,888.46 = 285,699.19/x
  3. Step 3: Cross multiply
    458,080.50x = 631,888.46 × 285,699.19
  4. Step 4: Simplify right side
    458,080.50x = 180,530,021,192.35
  5. Step 5: Solve for x
    x = 180,530,021,192.35/458,080.50
  6. Step 6: Final answer
    x = 394,101.08

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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.