Home / 641,328.14-884,647.23-423,538.82

Finding the Fourth Proportional to 641,328.14, 884,647.23 and 423,538.82

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Solution

The fourth proportional to 641,328.14, 884,647.23 and 423,538.82 is: 584,228.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,328.14 : 884,647.23 = 423,538.82 : x
  2. Step 2: Convert to fraction form
    641,328.14/884,647.23 = 423,538.82/x
  3. Step 3: Cross multiply
    641,328.14x = 884,647.23 × 423,538.82
  4. Step 4: Simplify right side
    641,328.14x = 374,682,441,216.39
  5. Step 5: Solve for x
    x = 374,682,441,216.39/641,328.14
  6. Step 6: Final answer
    x = 584,228.91

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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.