Home / 558,314.12-837,815.60-258,738.88

Finding the Fourth Proportional to 558,314.12, 837,815.60 and 258,738.88

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Solution

The fourth proportional to 558,314.12, 837,815.60 and 258,738.88 is: 388,267.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,314.12 : 837,815.60 = 258,738.88 : x
  2. Step 2: Convert to fraction form
    558,314.12/837,815.60 = 258,738.88/x
  3. Step 3: Cross multiply
    558,314.12x = 837,815.60 × 258,738.88
  4. Step 4: Simplify right side
    558,314.12x = 216,775,469,990.53
  5. Step 5: Solve for x
    x = 216,775,469,990.53/558,314.12
  6. Step 6: Final answer
    x = 388,267.93

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1.5x scale

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.