Home / 959,845.20-1,439,923.32-398,910.48

Finding the Fourth Proportional to 959,845.20, 1,439,923.32 and 398,910.48

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Solution

The fourth proportional to 959,845.20, 1,439,923.32 and 398,910.48 is: 598,430.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,845.20 : 1,439,923.32 = 398,910.48 : x
  2. Step 2: Convert to fraction form
    959,845.20/1,439,923.32 = 398,910.48/x
  3. Step 3: Cross multiply
    959,845.20x = 1,439,923.32 × 398,910.48
  4. Step 4: Simplify right side
    959,845.20x = 574,400,502,744.39
  5. Step 5: Solve for x
    x = 574,400,502,744.39/959,845.20
  6. Step 6: Final answer
    x = 598,430.35

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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.