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Finding the Fourth Proportional to 672,284, 1,008,623.08 and 216,866.14

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Solution

The fourth proportional to 672,284, 1,008,623.08 and 216,866.14 is: 325,362.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,284 : 1,008,623.08 = 216,866.14 : x
  2. Step 2: Convert to fraction form
    672,284/1,008,623.08 = 216,866.14/x
  3. Step 3: Cross multiply
    672,284x = 1,008,623.08 × 216,866.14
  4. Step 4: Simplify right side
    672,284x = 218,736,194,074.51
  5. Step 5: Solve for x
    x = 218,736,194,074.51/672,284
  6. Step 6: Final answer
    x = 325,362.78

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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.