Home / 892,042.96-1,231,017.48-489,626.32

Finding the Fourth Proportional to 892,042.96, 1,231,017.48 and 489,626.32

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Solution

The fourth proportional to 892,042.96, 1,231,017.48 and 489,626.32 is: 675,683.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,042.96 : 1,231,017.48 = 489,626.32 : x
  2. Step 2: Convert to fraction form
    892,042.96/1,231,017.48 = 489,626.32/x
  3. Step 3: Cross multiply
    892,042.96x = 1,231,017.48 × 489,626.32
  4. Step 4: Simplify right side
    892,042.96x = 602,738,558,588.07
  5. Step 5: Solve for x
    x = 602,738,558,588.07/892,042.96
  6. Step 6: Final answer
    x = 675,683.33

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Double scale
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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.