Finding the Fourth Proportional to 877,234.51, 1,313,858.81 and 686,506.24
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Solution
The fourth proportional to 877,234.51, 1,313,858.81 and 686,506.24 is: 1,028,199.71
Step by Step Solution
- Step 1: Write the proportion equation
877,234.51 : 1,313,858.81 = 686,506.24 : x - Step 2: Convert to fraction form
877,234.51/1,313,858.81 = 686,506.24/x - Step 3: Cross multiply
877,234.51x = 1,313,858.81 × 686,506.24 - Step 4: Simplify right side
877,234.51x = 901,972,268,111.44 - Step 5: Solve for x
x = 901,972,268,111.44/877,234.51 - Step 6: Final answer
x = 1,028,199.71
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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.