Home / 489,935.07-734,616.60-190,065.27

Finding the Fourth Proportional to 489,935.07, 734,616.60 and 190,065.27

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Solution

The fourth proportional to 489,935.07, 734,616.60 and 190,065.27 is: 284,986.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,935.07 : 734,616.60 = 190,065.27 : x
  2. Step 2: Convert to fraction form
    489,935.07/734,616.60 = 190,065.27/x
  3. Step 3: Cross multiply
    489,935.07x = 734,616.60 × 190,065.27
  4. Step 4: Simplify right side
    489,935.07x = 139,625,102,425.48
  5. Step 5: Solve for x
    x = 139,625,102,425.48/489,935.07
  6. Step 6: Final answer
    x = 284,986.95

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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.