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Finding the Fourth Proportional to 636,482.37, 954,519.36 and 209,922.30

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Solution

The fourth proportional to 636,482.37, 954,519.36 and 209,922.30 is: 314,816.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,482.37 : 954,519.36 = 209,922.30 : x
  2. Step 2: Convert to fraction form
    636,482.37/954,519.36 = 209,922.30/x
  3. Step 3: Cross multiply
    636,482.37x = 954,519.36 × 209,922.30
  4. Step 4: Simplify right side
    636,482.37x = 200,374,899,445.73
  5. Step 5: Solve for x
    x = 200,374,899,445.73/636,482.37
  6. Step 6: Final answer
    x = 314,816.10

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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.