Home / 705,132.16-1,058,118.40-255,888.06

Finding the Fourth Proportional to 705,132.16, 1,058,118.40 and 255,888.06

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Solution

The fourth proportional to 705,132.16, 1,058,118.40 and 255,888.06 is: 383,984.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,132.16 : 1,058,118.40 = 255,888.06 : x
  2. Step 2: Convert to fraction form
    705,132.16/1,058,118.40 = 255,888.06/x
  3. Step 3: Cross multiply
    705,132.16x = 1,058,118.40 × 255,888.06
  4. Step 4: Simplify right side
    705,132.16x = 270,759,864,626.30
  5. Step 5: Solve for x
    x = 270,759,864,626.30/705,132.16
  6. Step 6: Final answer
    x = 383,984.56

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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.