Home / 558,291.91-837,782.33-258,716.65

Finding the Fourth Proportional to 558,291.91, 837,782.33 and 258,716.65

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Solution

The fourth proportional to 558,291.91, 837,782.33 and 258,716.65 is: 388,234.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,291.91 : 837,782.33 = 258,716.65 : x
  2. Step 2: Convert to fraction form
    558,291.91/837,782.33 = 258,716.65/x
  3. Step 3: Cross multiply
    558,291.91x = 837,782.33 × 258,716.65
  4. Step 4: Simplify right side
    558,291.91x = 216,748,236,029.60
  5. Step 5: Solve for x
    x = 216,748,236,029.60/558,291.91
  6. Step 6: Final answer
    x = 388,234.60

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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.