Home / 421,774.38-582,055.93-230,790.96

Finding the Fourth Proportional to 421,774.38, 582,055.93 and 230,790.96

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Solution

The fourth proportional to 421,774.38, 582,055.93 and 230,790.96 is: 318,495.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,774.38 : 582,055.93 = 230,790.96 : x
  2. Step 2: Convert to fraction form
    421,774.38/582,055.93 = 230,790.96/x
  3. Step 3: Cross multiply
    421,774.38x = 582,055.93 × 230,790.96
  4. Step 4: Simplify right side
    421,774.38x = 134,333,246,858.39
  5. Step 5: Solve for x
    x = 134,333,246,858.39/421,774.38
  6. Step 6: Final answer
    x = 318,495.51

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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.