Home / 705,877.76-1,058,880.09-200,443.70

Finding the Fourth Proportional to 705,877.76, 1,058,880.09 and 200,443.70

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Solution

The fourth proportional to 705,877.76, 1,058,880.09 and 200,443.70 is: 300,683.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,877.76 : 1,058,880.09 = 200,443.70 : x
  2. Step 2: Convert to fraction form
    705,877.76/1,058,880.09 = 200,443.70/x
  3. Step 3: Cross multiply
    705,877.76x = 1,058,880.09 × 200,443.70
  4. Step 4: Simplify right side
    705,877.76x = 212,245,843,095.93
  5. Step 5: Solve for x
    x = 212,245,843,095.93/705,877.76
  6. Step 6: Final answer
    x = 300,683.57

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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.