Home / 558,588.13-837,216.37-389,191.21

Finding the Fourth Proportional to 558,588.13, 837,216.37 and 389,191.21

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Solution

The fourth proportional to 558,588.13, 837,216.37 and 389,191.21 is: 583,322.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,588.13 : 837,216.37 = 389,191.21 : x
  2. Step 2: Convert to fraction form
    558,588.13/837,216.37 = 389,191.21/x
  3. Step 3: Cross multiply
    558,588.13x = 837,216.37 × 389,191.21
  4. Step 4: Simplify right side
    558,588.13x = 325,837,250,465.56
  5. Step 5: Solve for x
    x = 325,837,250,465.56/558,588.13
  6. Step 6: Final answer
    x = 583,322.91

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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.