Home / 711,827.26-982,321.63-389,537.37

Finding the Fourth Proportional to 711,827.26, 982,321.63 and 389,537.37

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Solution

The fourth proportional to 711,827.26, 982,321.63 and 389,537.37 is: 537,561.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,827.26 : 982,321.63 = 389,537.37 : x
  2. Step 2: Convert to fraction form
    711,827.26/982,321.63 = 389,537.37/x
  3. Step 3: Cross multiply
    711,827.26x = 982,321.63 × 389,537.37
  4. Step 4: Simplify right side
    711,827.26x = 382,650,983,270.47
  5. Step 5: Solve for x
    x = 382,650,983,270.47/711,827.26
  6. Step 6: Final answer
    x = 537,561.58

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1.5x scale

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.