Finding the Fourth Proportional to 970,821.84, 1,339,740.34 and 541,129.20
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Solution
The fourth proportional to 970,821.84, 1,339,740.34 and 541,129.20 is: 746,761.75
Step by Step Solution
- Step 1: Write the proportion equation
970,821.84 : 1,339,740.34 = 541,129.20 : x - Step 2: Convert to fraction form
970,821.84/1,339,740.34 = 541,129.20/x - Step 3: Cross multiply
970,821.84x = 1,339,740.34 × 541,129.20 - Step 4: Simplify right side
970,821.84x = 724,972,618,391.93 - Step 5: Solve for x
x = 724,972,618,391.93/970,821.84 - Step 6: Final answer
x = 746,761.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.