Home / 740,855.79-1,111,474.94-228,509.42

Finding the Fourth Proportional to 740,855.79, 1,111,474.94 and 228,509.42

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Solution

The fourth proportional to 740,855.79, 1,111,474.94 and 228,509.42 is: 342,823.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,855.79 : 1,111,474.94 = 228,509.42 : x
  2. Step 2: Convert to fraction form
    740,855.79/1,111,474.94 = 228,509.42/x
  3. Step 3: Cross multiply
    740,855.79x = 1,111,474.94 × 228,509.42
  4. Step 4: Simplify right side
    740,855.79x = 253,982,487,184.01
  5. Step 5: Solve for x
    x = 253,982,487,184.01/740,855.79
  6. Step 6: Final answer
    x = 342,823.11

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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.