Home / 421,800.94-582,085.34-230,814.35

Finding the Fourth Proportional to 421,800.94, 582,085.34 and 230,814.35

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Solution

The fourth proportional to 421,800.94, 582,085.34 and 230,814.35 is: 318,523.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,800.94 : 582,085.34 = 230,814.35 : x
  2. Step 2: Convert to fraction form
    421,800.94/582,085.34 = 230,814.35/x
  3. Step 3: Cross multiply
    421,800.94x = 582,085.34 × 230,814.35
  4. Step 4: Simplify right side
    421,800.94x = 134,353,649,396.63
  5. Step 5: Solve for x
    x = 134,353,649,396.63/421,800.94
  6. Step 6: Final answer
    x = 318,523.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.