Home / 687,039.49-1,030,629.93-237,759.58

Finding the Fourth Proportional to 687,039.49, 1,030,629.93 and 237,759.58

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Solution

The fourth proportional to 687,039.49, 1,030,629.93 and 237,759.58 is: 356,663.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,039.49 : 1,030,629.93 = 237,759.58 : x
  2. Step 2: Convert to fraction form
    687,039.49/1,030,629.93 = 237,759.58/x
  3. Step 3: Cross multiply
    687,039.49x = 1,030,629.93 × 237,759.58
  4. Step 4: Simplify right side
    687,039.49x = 245,042,139,292.23
  5. Step 5: Solve for x
    x = 245,042,139,292.23/687,039.49
  6. Step 6: Final answer
    x = 356,663.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.