Home / 959,900.43-1,439,693.03-320,209.08

Finding the Fourth Proportional to 959,900.43, 1,439,693.03 and 320,209.08

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Solution

The fourth proportional to 959,900.43, 1,439,693.03 and 320,209.08 is: 480,261.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,900.43 : 1,439,693.03 = 320,209.08 : x
  2. Step 2: Convert to fraction form
    959,900.43/1,439,693.03 = 320,209.08/x
  3. Step 3: Cross multiply
    959,900.43x = 1,439,693.03 × 320,209.08
  4. Step 4: Simplify right side
    959,900.43x = 461,002,779,017.67
  5. Step 5: Solve for x
    x = 461,002,779,017.67/959,900.43
  6. Step 6: Final answer
    x = 480,261.04

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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.