Home / 711,828.26-982,323.01-389,538.37

Finding the Fourth Proportional to 711,828.26, 982,323.01 and 389,538.37

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Solution

The fourth proportional to 711,828.26, 982,323.01 and 389,538.37 is: 537,562.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,828.26 : 982,323.01 = 389,538.37 : x
  2. Step 2: Convert to fraction form
    711,828.26/982,323.01 = 389,538.37/x
  3. Step 3: Cross multiply
    711,828.26x = 982,323.01 × 389,538.37
  4. Step 4: Simplify right side
    711,828.26x = 382,652,504,128.89
  5. Step 5: Solve for x
    x = 382,652,504,128.89/711,828.26
  6. Step 6: Final answer
    x = 537,562.96

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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.