Home / 490,599.50-677,083.45-272,829.89

Finding the Fourth Proportional to 490,599.50, 677,083.45 and 272,829.89

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Solution

The fourth proportional to 490,599.50, 677,083.45 and 272,829.89 is: 376,536.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,599.50 : 677,083.45 = 272,829.89 : x
  2. Step 2: Convert to fraction form
    490,599.50/677,083.45 = 272,829.89/x
  3. Step 3: Cross multiply
    490,599.50x = 677,083.45 × 272,829.89
  4. Step 4: Simplify right side
    490,599.50x = 184,728,599,798.90
  5. Step 5: Solve for x
    x = 184,728,599,798.90/490,599.50
  6. Step 6: Final answer
    x = 376,536.46

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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.