Home / 966,405.81-1,449,606.89-256,378.04

Finding the Fourth Proportional to 966,405.81, 1,449,606.89 and 256,378.04

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Solution

The fourth proportional to 966,405.81, 1,449,606.89 and 256,378.04 is: 384,566.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,405.81 : 1,449,606.89 = 256,378.04 : x
  2. Step 2: Convert to fraction form
    966,405.81/1,449,606.89 = 256,378.04/x
  3. Step 3: Cross multiply
    966,405.81x = 1,449,606.89 × 256,378.04
  4. Step 4: Simplify right side
    966,405.81x = 371,647,372,057.63
  5. Step 5: Solve for x
    x = 371,647,372,057.63/966,405.81
  6. Step 6: Final answer
    x = 384,566.57

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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.