Home / 697,046.88-962,033.40-391,247.28

Finding the Fourth Proportional to 697,046.88, 962,033.40 and 391,247.28

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Solution

The fourth proportional to 697,046.88, 962,033.40 and 391,247.28 is: 539,982.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,046.88 : 962,033.40 = 391,247.28 : x
  2. Step 2: Convert to fraction form
    697,046.88/962,033.40 = 391,247.28/x
  3. Step 3: Cross multiply
    697,046.88x = 962,033.40 × 391,247.28
  4. Step 4: Simplify right side
    697,046.88x = 376,392,951,019.15
  5. Step 5: Solve for x
    x = 376,392,951,019.15/697,046.88
  6. Step 6: Final answer
    x = 539,982.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.