Home / 734,380.45-1,101,909.67-335,143.60

Finding the Fourth Proportional to 734,380.45, 1,101,909.67 and 335,143.60

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Solution

The fourth proportional to 734,380.45, 1,101,909.67 and 335,143.60 is: 502,870.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,380.45 : 1,101,909.67 = 335,143.60 : x
  2. Step 2: Convert to fraction form
    734,380.45/1,101,909.67 = 335,143.60/x
  3. Step 3: Cross multiply
    734,380.45x = 1,101,909.67 × 335,143.60
  4. Step 4: Simplify right side
    734,380.45x = 369,297,970,085.98
  5. Step 5: Solve for x
    x = 369,297,970,085.98/734,380.45
  6. Step 6: Final answer
    x = 502,870.10

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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.