Finding the Fourth Proportional to 752,545.31, 1,129,134.21 and 468,473.48
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Solution
The fourth proportional to 752,545.31, 1,129,134.21 and 468,473.48 is: 702,907.09
Step by Step Solution
- Step 1: Write the proportion equation
752,545.31 : 1,129,134.21 = 468,473.48 : x - Step 2: Convert to fraction form
752,545.31/1,129,134.21 = 468,473.48/x - Step 3: Cross multiply
752,545.31x = 1,129,134.21 × 468,473.48 - Step 4: Simplify right side
752,545.31x = 528,969,427,100.08 - Step 5: Solve for x
x = 528,969,427,100.08/752,545.31 - Step 6: Final answer
x = 702,907.09
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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.