Finding the Fourth Proportional to 986,871.24, 1,479,114.03 and 480,673.70
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Solution
The fourth proportional to 986,871.24, 1,479,114.03 and 480,673.70 is: 720,429.55
Step by Step Solution
- Step 1: Write the proportion equation
986,871.24 : 1,479,114.03 = 480,673.70 : x - Step 2: Convert to fraction form
986,871.24/1,479,114.03 = 480,673.70/x - Step 3: Cross multiply
986,871.24x = 1,479,114.03 × 480,673.70 - Step 4: Simplify right side
986,871.24x = 710,971,206,126.44 - Step 5: Solve for x
x = 710,971,206,126.44/986,871.24 - Step 6: Final answer
x = 720,429.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.