Home / 734,834-1,102,320.66-285,589.50

Finding the Fourth Proportional to 734,834, 1,102,320.66 and 285,589.50

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Solution

The fourth proportional to 734,834, 1,102,320.66 and 285,589.50 is: 428,411.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,834 : 1,102,320.66 = 285,589.50 : x
  2. Step 2: Convert to fraction form
    734,834/1,102,320.66 = 285,589.50/x
  3. Step 3: Cross multiply
    734,834x = 1,102,320.66 × 285,589.50
  4. Step 4: Simplify right side
    734,834x = 314,811,206,129.07
  5. Step 5: Solve for x
    x = 314,811,206,129.07/734,834
  6. Step 6: Final answer
    x = 428,411.32

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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.