Home / 558,589.63-837,218.62-389,192.71

Finding the Fourth Proportional to 558,589.63, 837,218.62 and 389,192.71

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Solution

The fourth proportional to 558,589.63, 837,218.62 and 389,192.71 is: 583,325.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,589.63 : 837,218.62 = 389,192.71 : x
  2. Step 2: Convert to fraction form
    558,589.63/837,218.62 = 389,192.71/x
  3. Step 3: Cross multiply
    558,589.63x = 837,218.62 × 389,192.71
  4. Step 4: Simplify right side
    558,589.63x = 325,839,383,580.26
  5. Step 5: Solve for x
    x = 325,839,383,580.26/558,589.63
  6. Step 6: Final answer
    x = 583,325.16

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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.