Finding the Fourth Proportional to 716,415.14, 1,074,583.80 and 217,740.26
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Solution
The fourth proportional to 716,415.14, 1,074,583.80 and 217,740.26 is: 326,598.56
Step by Step Solution
- Step 1: Write the proportion equation
716,415.14 : 1,074,583.80 = 217,740.26 : x - Step 2: Convert to fraction form
716,415.14/1,074,583.80 = 217,740.26/x - Step 3: Cross multiply
716,415.14x = 1,074,583.80 × 217,740.26 - Step 4: Simplify right side
716,415.14x = 233,980,156,003.79 - Step 5: Solve for x
x = 233,980,156,003.79/716,415.14 - Step 6: Final answer
x = 326,598.56
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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.