Home / 489,926.73-734,604.08-190,056.92

Finding the Fourth Proportional to 489,926.73, 734,604.08 and 190,056.92

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Solution

The fourth proportional to 489,926.73, 734,604.08 and 190,056.92 is: 284,974.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,926.73 : 734,604.08 = 190,056.92 : x
  2. Step 2: Convert to fraction form
    489,926.73/734,604.08 = 190,056.92/x
  3. Step 3: Cross multiply
    489,926.73x = 734,604.08 × 190,056.92
  4. Step 4: Simplify right side
    489,926.73x = 139,616,584,240.93
  5. Step 5: Solve for x
    x = 139,616,584,240.93/489,926.73
  6. Step 6: Final answer
    x = 284,974.42

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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.