Finding the Fourth Proportional to 752,545.81, 1,129,134.96 and 468,473.98
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Solution
The fourth proportional to 752,545.81, 1,129,134.96 and 468,473.98 is: 702,907.84
Step by Step Solution
- Step 1: Write the proportion equation
752,545.81 : 1,129,134.96 = 468,473.98 : x - Step 2: Convert to fraction form
752,545.81/1,129,134.96 = 468,473.98/x - Step 3: Cross multiply
752,545.81x = 1,129,134.96 × 468,473.98 - Step 4: Simplify right side
752,545.81x = 528,970,343,022.67 - Step 5: Solve for x
x = 528,970,343,022.67/752,545.81 - Step 6: Final answer
x = 702,907.84
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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.