Finding the Fourth Proportional to 818,495.68, 1,221,342.24 and 733,388.87
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Solution
The fourth proportional to 818,495.68, 1,221,342.24 and 733,388.87 is: 1,094,347.63
Step by Step Solution
- Step 1: Write the proportion equation
818,495.68 : 1,221,342.24 = 733,388.87 : x - Step 2: Convert to fraction form
818,495.68/1,221,342.24 = 733,388.87/x - Step 3: Cross multiply
818,495.68x = 1,221,342.24 × 733,388.87 - Step 4: Simplify right side
818,495.68x = 895,718,808,330.23 - Step 5: Solve for x
x = 895,718,808,330.23/818,495.68 - Step 6: Final answer
x = 1,094,347.63
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.