Home / 630,661.06-945,428.98-231,208.57

Finding the Fourth Proportional to 630,661.06, 945,428.98 and 231,208.57

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Solution

The fourth proportional to 630,661.06, 945,428.98 and 231,208.57 is: 346,606.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,661.06 : 945,428.98 = 231,208.57 : x
  2. Step 2: Convert to fraction form
    630,661.06/945,428.98 = 231,208.57/x
  3. Step 3: Cross multiply
    630,661.06x = 945,428.98 × 231,208.57
  4. Step 4: Simplify right side
    630,661.06x = 218,591,282,502.36
  5. Step 5: Solve for x
    x = 218,591,282,502.36/630,661.06
  6. Step 6: Final answer
    x = 346,606.59

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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.