Home / 959,529.94-1,439,043.72-285,429.76

Finding the Fourth Proportional to 959,529.94, 1,439,043.72 and 285,429.76

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Solution

The fourth proportional to 959,529.94, 1,439,043.72 and 285,429.76 is: 428,069.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,529.94 : 1,439,043.72 = 285,429.76 : x
  2. Step 2: Convert to fraction form
    959,529.94/1,439,043.72 = 285,429.76/x
  3. Step 3: Cross multiply
    959,529.94x = 1,439,043.72 × 285,429.76
  4. Step 4: Simplify right side
    959,529.94x = 410,745,903,629.11
  5. Step 5: Solve for x
    x = 410,745,903,629.11/959,529.94
  6. Step 6: Final answer
    x = 428,069.92

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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.