Home / 879,997.50-1,214,396.55-477,589.50

Finding the Fourth Proportional to 879,997.50, 1,214,396.55 and 477,589.50

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Solution

The fourth proportional to 879,997.50, 1,214,396.55 and 477,589.50 is: 659,073.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,997.50 : 1,214,396.55 = 477,589.50 : x
  2. Step 2: Convert to fraction form
    879,997.50/1,214,396.55 = 477,589.50/x
  3. Step 3: Cross multiply
    879,997.50x = 1,214,396.55 × 477,589.50
  4. Step 4: Simplify right side
    879,997.50x = 579,983,041,116.23
  5. Step 5: Solve for x
    x = 579,983,041,116.23/879,997.50
  6. Step 6: Final answer
    x = 659,073.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.