Home / 681,405.48-1,021,333.32-414,577.98

Finding the Fourth Proportional to 681,405.48, 1,021,333.32 and 414,577.98

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Solution

The fourth proportional to 681,405.48, 1,021,333.32 and 414,577.98 is: 621,395.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,405.48 : 1,021,333.32 = 414,577.98 : x
  2. Step 2: Convert to fraction form
    681,405.48/1,021,333.32 = 414,577.98/x
  3. Step 3: Cross multiply
    681,405.48x = 1,021,333.32 × 414,577.98
  4. Step 4: Simplify right side
    681,405.48x = 423,422,304,712.29
  5. Step 5: Solve for x
    x = 423,422,304,712.29/681,405.48
  6. Step 6: Final answer
    x = 621,395.51

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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.