Finding the Fourth Proportional to 819,528.84, 1,131,024.42 and 497,320.92
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Solution
The fourth proportional to 819,528.84, 1,131,024.42 and 497,320.92 is: 686,348.15
Step by Step Solution
- Step 1: Write the proportion equation
819,528.84 : 1,131,024.42 = 497,320.92 : x - Step 2: Convert to fraction form
819,528.84/1,131,024.42 = 497,320.92/x - Step 3: Cross multiply
819,528.84x = 1,131,024.42 × 497,320.92 - Step 4: Simplify right side
819,528.84x = 562,482,105,096.87 - Step 5: Solve for x
x = 562,482,105,096.87/819,528.84 - Step 6: Final answer
x = 686,348.15
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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.