Finding the Fourth Proportional to 745,618.34, 1,118,593.56 and 272,302.94
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Solution
The fourth proportional to 745,618.34, 1,118,593.56 and 272,302.94 is: 408,515.05
Step by Step Solution
- Step 1: Write the proportion equation
745,618.34 : 1,118,593.56 = 272,302.94 : x - Step 2: Convert to fraction form
745,618.34/1,118,593.56 = 272,302.94/x - Step 3: Cross multiply
745,618.34x = 1,118,593.56 × 272,302.94 - Step 4: Simplify right side
745,618.34x = 304,596,315,053.07 - Step 5: Solve for x
x = 304,596,315,053.07/745,618.34 - Step 6: Final answer
x = 408,515.05
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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.