Finding the Fourth Proportional to 745,620.84, 1,118,597.31 and 272,305.44
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Solution
The fourth proportional to 745,620.84, 1,118,597.31 and 272,305.44 is: 408,518.80
Step by Step Solution
- Step 1: Write the proportion equation
745,620.84 : 1,118,597.31 = 272,305.44 : x - Step 2: Convert to fraction form
745,620.84/1,118,597.31 = 272,305.44/x - Step 3: Cross multiply
745,620.84x = 1,118,597.31 × 272,305.44 - Step 4: Simplify right side
745,620.84x = 304,600,132,682.37 - Step 5: Solve for x
x = 304,600,132,682.37/745,620.84 - Step 6: Final answer
x = 408,518.80
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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.