Home / 890,040.82-1,335,098.07-258,954.63

Finding the Fourth Proportional to 890,040.82, 1,335,098.07 and 258,954.63

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Solution

The fourth proportional to 890,040.82, 1,335,098.07 and 258,954.63 is: 388,442.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,040.82 : 1,335,098.07 = 258,954.63 : x
  2. Step 2: Convert to fraction form
    890,040.82/1,335,098.07 = 258,954.63/x
  3. Step 3: Cross multiply
    890,040.82x = 1,335,098.07 × 258,954.63
  4. Step 4: Simplify right side
    890,040.82x = 345,729,820,055.07
  5. Step 5: Solve for x
    x = 345,729,820,055.07/890,040.82
  6. Step 6: Final answer
    x = 388,442.66

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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.