Home / 559,661.34-839,067.57-289,500.06

Finding the Fourth Proportional to 559,661.34, 839,067.57 and 289,500.06

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Solution

The fourth proportional to 559,661.34, 839,067.57 and 289,500.06 is: 434,030.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,661.34 : 839,067.57 = 289,500.06 : x
  2. Step 2: Convert to fraction form
    559,661.34/839,067.57 = 289,500.06/x
  3. Step 3: Cross multiply
    559,661.34x = 839,067.57 × 289,500.06
  4. Step 4: Simplify right side
    559,661.34x = 242,910,111,859.05
  5. Step 5: Solve for x
    x = 242,910,111,859.05/559,661.34
  6. Step 6: Final answer
    x = 434,030.54

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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.