Home / 959,745.16-1,439,928.66-285,832.04

Finding the Fourth Proportional to 959,745.16, 1,439,928.66 and 285,832.04

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Solution

The fourth proportional to 959,745.16, 1,439,928.66 and 285,832.04 is: 428,840.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,745.16 : 1,439,928.66 = 285,832.04 : x
  2. Step 2: Convert to fraction form
    959,745.16/1,439,928.66 = 285,832.04/x
  3. Step 3: Cross multiply
    959,745.16x = 1,439,928.66 × 285,832.04
  4. Step 4: Simplify right side
    959,745.16x = 411,577,746,342.27
  5. Step 5: Solve for x
    x = 411,577,746,342.27/959,745.16
  6. Step 6: Final answer
    x = 428,840.66

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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.