Finding the Fourth Proportional to 746,072.08, 1,119,542.34 and 313,758.48
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Solution
The fourth proportional to 746,072.08, 1,119,542.34 and 313,758.48 is: 470,820.33
Step by Step Solution
- Step 1: Write the proportion equation
746,072.08 : 1,119,542.34 = 313,758.48 : x - Step 2: Convert to fraction form
746,072.08/1,119,542.34 = 313,758.48/x - Step 3: Cross multiply
746,072.08x = 1,119,542.34 × 313,758.48 - Step 4: Simplify right side
746,072.08x = 351,265,902,894.04 - Step 5: Solve for x
x = 351,265,902,894.04/746,072.08 - Step 6: Final answer
x = 470,820.33
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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.