Home / 644,212.44-966,121.80-307,075.46

Finding the Fourth Proportional to 644,212.44, 966,121.80 and 307,075.46

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Solution

The fourth proportional to 644,212.44, 966,121.80 and 307,075.46 is: 460,519.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,212.44 : 966,121.80 = 307,075.46 : x
  2. Step 2: Convert to fraction form
    644,212.44/966,121.80 = 307,075.46/x
  3. Step 3: Cross multiply
    644,212.44x = 966,121.80 × 307,075.46
  4. Step 4: Simplify right side
    644,212.44x = 296,672,296,151.03
  5. Step 5: Solve for x
    x = 296,672,296,151.03/644,212.44
  6. Step 6: Final answer
    x = 460,519.35

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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.