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Finding the Fourth Proportional to 630,662.06, 945,430.48 and 231,209.57

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Solution

The fourth proportional to 630,662.06, 945,430.48 and 231,209.57 is: 346,608.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,662.06 : 945,430.48 = 231,209.57 : x
  2. Step 2: Convert to fraction form
    630,662.06/945,430.48 = 231,209.57/x
  3. Step 3: Cross multiply
    630,662.06x = 945,430.48 × 231,209.57
  4. Step 4: Simplify right side
    630,662.06x = 218,592,574,745.69
  5. Step 5: Solve for x
    x = 218,592,574,745.69/630,662.06
  6. Step 6: Final answer
    x = 346,608.09

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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.