Finding the Fourth Proportional to 874,178.94, 1,311,501.75 and 313,270.14
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Solution
The fourth proportional to 874,178.94, 1,311,501.75 and 313,270.14 is: 469,988.83
Step by Step Solution
- Step 1: Write the proportion equation
874,178.94 : 1,311,501.75 = 313,270.14 : x - Step 2: Convert to fraction form
874,178.94/1,311,501.75 = 313,270.14/x - Step 3: Cross multiply
874,178.94x = 1,311,501.75 × 313,270.14 - Step 4: Simplify right side
874,178.94x = 410,854,336,832.75 - Step 5: Solve for x
x = 410,854,336,832.75/874,178.94 - Step 6: Final answer
x = 469,988.83
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.