Home / 559,890.40-839,589.36-204,812.32

Finding the Fourth Proportional to 559,890.40, 839,589.36 and 204,812.32

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Solution

The fourth proportional to 559,890.40, 839,589.36 and 204,812.32 is: 307,128.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,890.40 : 839,589.36 = 204,812.32 : x
  2. Step 2: Convert to fraction form
    559,890.40/839,589.36 = 204,812.32/x
  3. Step 3: Cross multiply
    559,890.40x = 839,589.36 × 204,812.32
  4. Step 4: Simplify right side
    559,890.40x = 171,958,244,668.92
  5. Step 5: Solve for x
    x = 171,958,244,668.92/559,890.40
  6. Step 6: Final answer
    x = 307,128.40

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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.