Home / 698,976.93-1,046,890.22-489,549.81

Finding the Fourth Proportional to 698,976.93, 1,046,890.22 and 489,549.81

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Solution

The fourth proportional to 698,976.93, 1,046,890.22 and 489,549.81 is: 733,221.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,976.93 : 1,046,890.22 = 489,549.81 : x
  2. Step 2: Convert to fraction form
    698,976.93/1,046,890.22 = 489,549.81/x
  3. Step 3: Cross multiply
    698,976.93x = 1,046,890.22 × 489,549.81
  4. Step 4: Simplify right side
    698,976.93x = 512,504,905,844.11
  5. Step 5: Solve for x
    x = 512,504,905,844.11/698,976.93
  6. Step 6: Final answer
    x = 733,221.49

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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.