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Finding the Fourth Proportional to 655,907.30, 983,944.02 and 256,496.18

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Solution

The fourth proportional to 655,907.30, 983,944.02 and 256,496.18 is: 384,776.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,907.30 : 983,944.02 = 256,496.18 : x
  2. Step 2: Convert to fraction form
    655,907.30/983,944.02 = 256,496.18/x
  3. Step 3: Cross multiply
    655,907.30x = 983,944.02 × 256,496.18
  4. Step 4: Simplify right side
    655,907.30x = 252,377,882,463.84
  5. Step 5: Solve for x
    x = 252,377,882,463.84/655,907.30
  6. Step 6: Final answer
    x = 384,776.75

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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.