Home / 734,863.68-1,102,012.11-285,525.39

Finding the Fourth Proportional to 734,863.68, 1,102,012.11 and 285,525.39

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Solution

The fourth proportional to 734,863.68, 1,102,012.11 and 285,525.39 is: 428,177.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,863.68 : 1,102,012.11 = 285,525.39 : x
  2. Step 2: Convert to fraction form
    734,863.68/1,102,012.11 = 285,525.39/x
  3. Step 3: Cross multiply
    734,863.68x = 1,102,012.11 × 285,525.39
  4. Step 4: Simplify right side
    734,863.68x = 314,652,437,492.47
  5. Step 5: Solve for x
    x = 314,652,437,492.47/734,863.68
  6. Step 6: Final answer
    x = 428,177.97

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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.