Home / 856,043.12-1,283,364.12-323,261.84

Finding the Fourth Proportional to 856,043.12, 1,283,364.12 and 323,261.84

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Solution

The fourth proportional to 856,043.12, 1,283,364.12 and 323,261.84 is: 484,628.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,043.12 : 1,283,364.12 = 323,261.84 : x
  2. Step 2: Convert to fraction form
    856,043.12/1,283,364.12 = 323,261.84/x
  3. Step 3: Cross multiply
    856,043.12x = 1,283,364.12 × 323,261.84
  4. Step 4: Simplify right side
    856,043.12x = 414,862,646,821.18
  5. Step 5: Solve for x
    x = 414,862,646,821.18/856,043.12
  6. Step 6: Final answer
    x = 484,628.21

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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.