Home / 705,720.90-1,058,621.91-200,242.32

Finding the Fourth Proportional to 705,720.90, 1,058,621.91 and 200,242.32

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Solution

The fourth proportional to 705,720.90, 1,058,621.91 and 200,242.32 is: 300,374.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,720.90 : 1,058,621.91 = 200,242.32 : x
  2. Step 2: Convert to fraction form
    705,720.90/1,058,621.91 = 200,242.32/x
  3. Step 3: Cross multiply
    705,720.90x = 1,058,621.91 × 200,242.32
  4. Step 4: Simplify right side
    705,720.90x = 211,980,907,261.23
  5. Step 5: Solve for x
    x = 211,980,907,261.23/705,720.90
  6. Step 6: Final answer
    x = 300,374.99

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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.