Home / 489,922.90-734,598.32-190,053.07

Finding the Fourth Proportional to 489,922.90, 734,598.32 and 190,053.07

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Solution

The fourth proportional to 489,922.90, 734,598.32 and 190,053.07 is: 284,968.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,922.90 : 734,598.32 = 190,053.07 : x
  2. Step 2: Convert to fraction form
    489,922.90/734,598.32 = 190,053.07/x
  3. Step 3: Cross multiply
    489,922.90x = 734,598.32 × 190,053.07
  4. Step 4: Simplify right side
    489,922.90x = 139,612,663,146.08
  5. Step 5: Solve for x
    x = 139,612,663,146.08/489,922.90
  6. Step 6: Final answer
    x = 284,968.64

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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.