Home / 489,329.28-734,104.44-173,786.40

Finding the Fourth Proportional to 489,329.28, 734,104.44 and 173,786.40

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Solution

The fourth proportional to 489,329.28, 734,104.44 and 173,786.40 is: 260,718.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,329.28 : 734,104.44 = 173,786.40 : x
  2. Step 2: Convert to fraction form
    489,329.28/734,104.44 = 173,786.40/x
  3. Step 3: Cross multiply
    489,329.28x = 734,104.44 × 173,786.40
  4. Step 4: Simplify right side
    489,329.28x = 127,577,367,851.62
  5. Step 5: Solve for x
    x = 127,577,367,851.62/489,329.28
  6. Step 6: Final answer
    x = 260,718.85

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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.