Home / 890,040.96-1,334,617.92-290,924.16

Finding the Fourth Proportional to 890,040.96, 1,334,617.92 and 290,924.16

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Solution

The fourth proportional to 890,040.96, 1,334,617.92 and 290,924.16 is: 436,241.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,040.96 : 1,334,617.92 = 290,924.16 : x
  2. Step 2: Convert to fraction form
    890,040.96/1,334,617.92 = 290,924.16/x
  3. Step 3: Cross multiply
    890,040.96x = 1,334,617.92 × 290,924.16
  4. Step 4: Simplify right side
    890,040.96x = 388,272,597,296.95
  5. Step 5: Solve for x
    x = 388,272,597,296.95/890,040.96
  6. Step 6: Final answer
    x = 436,241.27

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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.