Home / 918,615.94-1,267,732.22-510,759.27

Finding the Fourth Proportional to 918,615.94, 1,267,732.22 and 510,759.27

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Solution

The fourth proportional to 918,615.94, 1,267,732.22 and 510,759.27 is: 704,871.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,615.94 : 1,267,732.22 = 510,759.27 : x
  2. Step 2: Convert to fraction form
    918,615.94/1,267,732.22 = 510,759.27/x
  3. Step 3: Cross multiply
    918,615.94x = 1,267,732.22 × 510,759.27
  4. Step 4: Simplify right side
    918,615.94x = 647,505,980,688.88
  5. Step 5: Solve for x
    x = 647,505,980,688.88/918,615.94
  6. Step 6: Final answer
    x = 704,871.27

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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.