Home / 905,857.61-1,250,087.54-497,985.73

Finding the Fourth Proportional to 905,857.61, 1,250,087.54 and 497,985.73

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Solution

The fourth proportional to 905,857.61, 1,250,087.54 and 497,985.73 is: 687,222.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,857.61 : 1,250,087.54 = 497,985.73 : x
  2. Step 2: Convert to fraction form
    905,857.61/1,250,087.54 = 497,985.73/x
  3. Step 3: Cross multiply
    905,857.61x = 1,250,087.54 × 497,985.73
  4. Step 4: Simplify right side
    905,857.61x = 622,525,750,555.66
  5. Step 5: Solve for x
    x = 622,525,750,555.66/905,857.61
  6. Step 6: Final answer
    x = 687,222.52

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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.