Home / 909,401.68-1,254,983.07-501,517.98

Finding the Fourth Proportional to 909,401.68, 1,254,983.07 and 501,517.98

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Solution

The fourth proportional to 909,401.68, 1,254,983.07 and 501,517.98 is: 692,099.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,401.68 : 1,254,983.07 = 501,517.98 : x
  2. Step 2: Convert to fraction form
    909,401.68/1,254,983.07 = 501,517.98/x
  3. Step 3: Cross multiply
    909,401.68x = 1,254,983.07 × 501,517.98
  4. Step 4: Simplify right side
    909,401.68x = 629,396,573,260.25
  5. Step 5: Solve for x
    x = 629,396,573,260.25/909,401.68
  6. Step 6: Final answer
    x = 692,099.64

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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.