Home / 677,996.07-1,011,003.93-671,910.75

Finding the Fourth Proportional to 677,996.07, 1,011,003.93 and 671,910.75

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Solution

The fourth proportional to 677,996.07, 1,011,003.93 and 671,910.75 is: 1,001,929.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,996.07 : 1,011,003.93 = 671,910.75 : x
  2. Step 2: Convert to fraction form
    677,996.07/1,011,003.93 = 671,910.75/x
  3. Step 3: Cross multiply
    677,996.07x = 1,011,003.93 × 671,910.75
  4. Step 4: Simplify right side
    677,996.07x = 679,304,408,859.25
  5. Step 5: Solve for x
    x = 679,304,408,859.25/677,996.07
  6. Step 6: Final answer
    x = 1,001,929.71

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.