Home / 630,719.46-946,203.75-231,363.90

Finding the Fourth Proportional to 630,719.46, 946,203.75 and 231,363.90

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Solution

The fourth proportional to 630,719.46, 946,203.75 and 231,363.90 is: 347,091.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,719.46 : 946,203.75 = 231,363.90 : x
  2. Step 2: Convert to fraction form
    630,719.46/946,203.75 = 231,363.90/x
  3. Step 3: Cross multiply
    630,719.46x = 946,203.75 × 231,363.90
  4. Step 4: Simplify right side
    630,719.46x = 218,917,389,794.63
  5. Step 5: Solve for x
    x = 218,917,389,794.63/630,719.46
  6. Step 6: Final answer
    x = 347,091.54

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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.