Home / 743,355.16-1,025,797.26-421,058.79

Finding the Fourth Proportional to 743,355.16, 1,025,797.26 and 421,058.79

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Solution

The fourth proportional to 743,355.16, 1,025,797.26 and 421,058.79 is: 581,042.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,355.16 : 1,025,797.26 = 421,058.79 : x
  2. Step 2: Convert to fraction form
    743,355.16/1,025,797.26 = 421,058.79/x
  3. Step 3: Cross multiply
    743,355.16x = 1,025,797.26 × 421,058.79
  4. Step 4: Simplify right side
    743,355.16x = 431,920,954,659.89
  5. Step 5: Solve for x
    x = 431,920,954,659.89/743,355.16
  6. Step 6: Final answer
    x = 581,042.52

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.