Home / 816,793.47-1,126,994.82-489,957.26

Finding the Fourth Proportional to 816,793.47, 1,126,994.82 and 489,957.26

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Solution

The fourth proportional to 816,793.47, 1,126,994.82 and 489,957.26 is: 676,032.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,793.47 : 1,126,994.82 = 489,957.26 : x
  2. Step 2: Convert to fraction form
    816,793.47/1,126,994.82 = 489,957.26/x
  3. Step 3: Cross multiply
    816,793.47x = 1,126,994.82 × 489,957.26
  4. Step 4: Simplify right side
    816,793.47x = 552,179,286,569.08
  5. Step 5: Solve for x
    x = 552,179,286,569.08/816,793.47
  6. Step 6: Final answer
    x = 676,032.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.