Home / 734,878.96-1,102,034.98-285,540.67

Finding the Fourth Proportional to 734,878.96, 1,102,034.98 and 285,540.67

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Solution

The fourth proportional to 734,878.96, 1,102,034.98 and 285,540.67 is: 428,200.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,878.96 : 1,102,034.98 = 285,540.67 : x
  2. Step 2: Convert to fraction form
    734,878.96/1,102,034.98 = 285,540.67/x
  3. Step 3: Cross multiply
    734,878.96x = 1,102,034.98 × 285,540.67
  4. Step 4: Simplify right side
    734,878.96x = 314,675,803,797.55
  5. Step 5: Solve for x
    x = 314,675,803,797.55/734,878.96
  6. Step 6: Final answer
    x = 428,200.86

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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.