Home / 705,879.76-1,058,883.09-200,445.70

Finding the Fourth Proportional to 705,879.76, 1,058,883.09 and 200,445.70

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Solution

The fourth proportional to 705,879.76, 1,058,883.09 and 200,445.70 is: 300,686.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,879.76 : 1,058,883.09 = 200,445.70 : x
  2. Step 2: Convert to fraction form
    705,879.76/1,058,883.09 = 200,445.70/x
  3. Step 3: Cross multiply
    705,879.76x = 1,058,883.09 × 200,445.70
  4. Step 4: Simplify right side
    705,879.76x = 212,248,562,193.21
  5. Step 5: Solve for x
    x = 212,248,562,193.21/705,879.76
  6. Step 6: Final answer
    x = 300,686.57

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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.