Home / 958,955.76-1,438,719.84-285,059.52

Finding the Fourth Proportional to 958,955.76, 1,438,719.84 and 285,059.52

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Solution

The fourth proportional to 958,955.76, 1,438,719.84 and 285,059.52 is: 427,674.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,955.76 : 1,438,719.84 = 285,059.52 : x
  2. Step 2: Convert to fraction form
    958,955.76/1,438,719.84 = 285,059.52/x
  3. Step 3: Cross multiply
    958,955.76x = 1,438,719.84 × 285,059.52
  4. Step 4: Simplify right side
    958,955.76x = 410,120,787,004.88
  5. Step 5: Solve for x
    x = 410,120,787,004.88/958,955.76
  6. Step 6: Final answer
    x = 427,674.36

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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.