Home / 479,436.23-719,075.79-195,115.29

Finding the Fourth Proportional to 479,436.23, 719,075.79 and 195,115.29

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Solution

The fourth proportional to 479,436.23, 719,075.79 and 195,115.29 is: 292,640.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,436.23 : 719,075.79 = 195,115.29 : x
  2. Step 2: Convert to fraction form
    479,436.23/719,075.79 = 195,115.29/x
  3. Step 3: Cross multiply
    479,436.23x = 719,075.79 × 195,115.29
  4. Step 4: Simplify right side
    479,436.23x = 140,302,681,297.83
  5. Step 5: Solve for x
    x = 140,302,681,297.83/479,436.23
  6. Step 6: Final answer
    x = 292,640.97

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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.