Home / 705,120.57-1,058,101.14-255,876.50

Finding the Fourth Proportional to 705,120.57, 1,058,101.14 and 255,876.50

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Solution

The fourth proportional to 705,120.57, 1,058,101.14 and 255,876.50 is: 383,967.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,120.57 : 1,058,101.14 = 255,876.50 : x
  2. Step 2: Convert to fraction form
    705,120.57/1,058,101.14 = 255,876.50/x
  3. Step 3: Cross multiply
    705,120.57x = 1,058,101.14 × 255,876.50
  4. Step 4: Simplify right side
    705,120.57x = 270,743,211,058.70
  5. Step 5: Solve for x
    x = 270,743,211,058.70/705,120.57
  6. Step 6: Final answer
    x = 383,967.26

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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.