Home / 909,087.75-1,254,560.08-501,206.78

Finding the Fourth Proportional to 909,087.75, 1,254,560.08 and 501,206.78

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Solution

The fourth proportional to 909,087.75, 1,254,560.08 and 501,206.78 is: 691,675.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,087.75 : 1,254,560.08 = 501,206.78 : x
  2. Step 2: Convert to fraction form
    909,087.75/1,254,560.08 = 501,206.78/x
  3. Step 3: Cross multiply
    909,087.75x = 1,254,560.08 × 501,206.78
  4. Step 4: Simplify right side
    909,087.75x = 628,794,021,776.25
  5. Step 5: Solve for x
    x = 628,794,021,776.25/909,087.75
  6. Step 6: Final answer
    x = 691,675.83

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