Home / 890,540.62-1,335,681.73-291,525.51

Finding the Fourth Proportional to 890,540.62, 1,335,681.73 and 291,525.51

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Solution

The fourth proportional to 890,540.62, 1,335,681.73 and 291,525.51 is: 437,245.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,540.62 : 1,335,681.73 = 291,525.51 : x
  2. Step 2: Convert to fraction form
    890,540.62/1,335,681.73 = 291,525.51/x
  3. Step 3: Cross multiply
    890,540.62x = 1,335,681.73 × 291,525.51
  4. Step 4: Simplify right side
    890,540.62x = 389,385,297,535.93
  5. Step 5: Solve for x
    x = 389,385,297,535.93/890,540.62
  6. Step 6: Final answer
    x = 437,245.97

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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.