Finding the Fourth Proportional to 752,341.53, 1,128,597.89 and 272,795.19
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Solution
The fourth proportional to 752,341.53, 1,128,597.89 and 272,795.19 is: 409,223.82
Step by Step Solution
- Step 1: Write the proportion equation
752,341.53 : 1,128,597.89 = 272,795.19 : x - Step 2: Convert to fraction form
752,341.53/1,128,597.89 = 272,795.19/x - Step 3: Cross multiply
752,341.53x = 1,128,597.89 × 272,795.19 - Step 4: Simplify right side
752,341.53x = 307,876,075,836.15 - Step 5: Solve for x
x = 307,876,075,836.15/752,341.53 - Step 6: Final answer
x = 409,223.82
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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.