Home / 959,455.13-1,439,188.16-398,489.63

Finding the Fourth Proportional to 959,455.13, 1,439,188.16 and 398,489.63

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Solution

The fourth proportional to 959,455.13, 1,439,188.16 and 398,489.63 is: 597,736.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,455.13 : 1,439,188.16 = 398,489.63 : x
  2. Step 2: Convert to fraction form
    959,455.13/1,439,188.16 = 398,489.63/x
  3. Step 3: Cross multiply
    959,455.13x = 1,439,188.16 × 398,489.63
  4. Step 4: Simplify right side
    959,455.13x = 573,501,548,190.39
  5. Step 5: Solve for x
    x = 573,501,548,190.39/959,455.13
  6. Step 6: Final answer
    x = 597,736.71

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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.