Home / 705,812.44-1,058,453.70-256,422.28

Finding the Fourth Proportional to 705,812.44, 1,058,453.70 and 256,422.28

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Solution

The fourth proportional to 705,812.44, 1,058,453.70 and 256,422.28 is: 384,537.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,812.44 : 1,058,453.70 = 256,422.28 : x
  2. Step 2: Convert to fraction form
    705,812.44/1,058,453.70 = 256,422.28/x
  3. Step 3: Cross multiply
    705,812.44x = 1,058,453.70 × 256,422.28
  4. Step 4: Simplify right side
    705,812.44x = 271,411,111,028.44
  5. Step 5: Solve for x
    x = 271,411,111,028.44/705,812.44
  6. Step 6: Final answer
    x = 384,537.16

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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.