Home / 914,992.25-1,262,687.67-501,528.78

Finding the Fourth Proportional to 914,992.25, 1,262,687.67 and 501,528.78

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Solution

The fourth proportional to 914,992.25, 1,262,687.67 and 501,528.78 is: 692,108.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,992.25 : 1,262,687.67 = 501,528.78 : x
  2. Step 2: Convert to fraction form
    914,992.25/1,262,687.67 = 501,528.78/x
  3. Step 3: Cross multiply
    914,992.25x = 1,262,687.67 × 501,528.78
  4. Step 4: Simplify right side
    914,992.25x = 633,274,206,656.14
  5. Step 5: Solve for x
    x = 633,274,206,656.14/914,992.25
  6. Step 6: Final answer
    x = 692,108.82

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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.