Home / 698,630.81-964,212.59-392,732.37

Finding the Fourth Proportional to 698,630.81, 964,212.59 and 392,732.37

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Solution

The fourth proportional to 698,630.81, 964,212.59 and 392,732.37 is: 542,028.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,630.81 : 964,212.59 = 392,732.37 : x
  2. Step 2: Convert to fraction form
    698,630.81/964,212.59 = 392,732.37/x
  3. Step 3: Cross multiply
    698,630.81x = 964,212.59 × 392,732.37
  4. Step 4: Simplify right side
    698,630.81x = 378,677,496,636.37
  5. Step 5: Solve for x
    x = 378,677,496,636.37/698,630.81
  6. Step 6: Final answer
    x = 542,028.06

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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.