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Finding the Fourth Proportional to 636,904.94, 954,633.14 and 332,830.26

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Solution

The fourth proportional to 636,904.94, 954,633.14 and 332,830.26 is: 498,866.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,904.94 : 954,633.14 = 332,830.26 : x
  2. Step 2: Convert to fraction form
    636,904.94/954,633.14 = 332,830.26/x
  3. Step 3: Cross multiply
    636,904.94x = 954,633.14 × 332,830.26
  4. Step 4: Simplify right side
    636,904.94x = 317,730,794,526.67
  5. Step 5: Solve for x
    x = 317,730,794,526.67/636,904.94
  6. Step 6: Final answer
    x = 498,866.91

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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.