Finding the Fourth Proportional to 745,617.84, 1,118,592.81 and 272,302.44
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Solution
The fourth proportional to 745,617.84, 1,118,592.81 and 272,302.44 is: 408,514.30
Step by Step Solution
- Step 1: Write the proportion equation
745,617.84 : 1,118,592.81 = 272,302.44 : x - Step 2: Convert to fraction form
745,617.84/1,118,592.81 = 272,302.44/x - Step 3: Cross multiply
745,617.84x = 1,118,592.81 × 272,302.44 - Step 4: Simplify right side
745,617.84x = 304,595,551,529.46 - Step 5: Solve for x
x = 304,595,551,529.46/745,617.84 - Step 6: Final answer
x = 408,514.30
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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.