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Finding the Fourth Proportional to 636,815.37, 954,780.18 and 237,348.88

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Solution

The fourth proportional to 636,815.37, 954,780.18 and 237,348.88 is: 355,858.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,815.37 : 954,780.18 = 237,348.88 : x
  2. Step 2: Convert to fraction form
    636,815.37/954,780.18 = 237,348.88/x
  3. Step 3: Cross multiply
    636,815.37x = 954,780.18 × 237,348.88
  4. Step 4: Simplify right side
    636,815.37x = 226,616,010,465.46
  5. Step 5: Solve for x
    x = 226,616,010,465.46/636,815.37
  6. Step 6: Final answer
    x = 355,858.26

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1.5x scale

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.