Home / 489,526.09-675,557.64-274,682.04

Finding the Fourth Proportional to 489,526.09, 675,557.64 and 274,682.04

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Solution

The fourth proportional to 489,526.09, 675,557.64 and 274,682.04 is: 379,067.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,526.09 : 675,557.64 = 274,682.04 : x
  2. Step 2: Convert to fraction form
    489,526.09/675,557.64 = 274,682.04/x
  3. Step 3: Cross multiply
    489,526.09x = 675,557.64 × 274,682.04
  4. Step 4: Simplify right side
    489,526.09x = 185,563,545,941.59
  5. Step 5: Solve for x
    x = 185,563,545,941.59/489,526.09
  6. Step 6: Final answer
    x = 379,067.74

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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.