Home / 558,587.57-837,215.53-389,190.65

Finding the Fourth Proportional to 558,587.57, 837,215.53 and 389,190.65

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Solution

The fourth proportional to 558,587.57, 837,215.53 and 389,190.65 is: 583,322.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,587.57 : 837,215.53 = 389,190.65 : x
  2. Step 2: Convert to fraction form
    558,587.57/837,215.53 = 389,190.65/x
  3. Step 3: Cross multiply
    558,587.57x = 837,215.53 × 389,190.65
  4. Step 4: Simplify right side
    558,587.57x = 325,836,451,151.74
  5. Step 5: Solve for x
    x = 325,836,451,151.74/558,587.57
  6. Step 6: Final answer
    x = 583,322.06

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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.