Home / 734,866.11-1,102,015.76-285,527.84

Finding the Fourth Proportional to 734,866.11, 1,102,015.76 and 285,527.84

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Solution

The fourth proportional to 734,866.11, 1,102,015.76 and 285,527.84 is: 428,181.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,866.11 : 1,102,015.76 = 285,527.84 : x
  2. Step 2: Convert to fraction form
    734,866.11/1,102,015.76 = 285,527.84/x
  3. Step 3: Cross multiply
    734,866.11x = 1,102,015.76 × 285,527.84
  4. Step 4: Simplify right side
    734,866.11x = 314,656,172,661.04
  5. Step 5: Solve for x
    x = 314,656,172,661.04/734,866.11
  6. Step 6: Final answer
    x = 428,181.64

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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.