Home / 402,986.47-604,457.82-122,481.85

Finding the Fourth Proportional to 402,986.47, 604,457.82 and 122,481.85

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Solution

The fourth proportional to 402,986.47, 604,457.82 and 122,481.85 is: 183,716.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,986.47 : 604,457.82 = 122,481.85 : x
  2. Step 2: Convert to fraction form
    402,986.47/604,457.82 = 122,481.85/x
  3. Step 3: Cross multiply
    402,986.47x = 604,457.82 × 122,481.85
  4. Step 4: Simplify right side
    402,986.47x = 74,035,110,529.42
  5. Step 5: Solve for x
    x = 74,035,110,529.42/402,986.47
  6. Step 6: Final answer
    x = 183,716.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.