Home / 722,894.04-1,084,248.54-190,456.20

Finding the Fourth Proportional to 722,894.04, 1,084,248.54 and 190,456.20

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Solution

The fourth proportional to 722,894.04, 1,084,248.54 and 190,456.20 is: 285,659.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,894.04 : 1,084,248.54 = 190,456.20 : x
  2. Step 2: Convert to fraction form
    722,894.04/1,084,248.54 = 190,456.20/x
  3. Step 3: Cross multiply
    722,894.04x = 1,084,248.54 × 190,456.20
  4. Step 4: Simplify right side
    722,894.04x = 206,501,856,783.95
  5. Step 5: Solve for x
    x = 206,501,856,783.95/722,894.04
  6. Step 6: Final answer
    x = 285,659.92

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1.5x scale

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.