Finding the Fourth Proportional to 986,462.30, 1,475,419.00 and 580,687.68
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Solution
The fourth proportional to 986,462.30, 1,475,419.00 and 580,687.68 is: 868,515.34
Step by Step Solution
- Step 1: Write the proportion equation
986,462.30 : 1,475,419.00 = 580,687.68 : x - Step 2: Convert to fraction form
986,462.30/1,475,419.00 = 580,687.68/x - Step 3: Cross multiply
986,462.30x = 1,475,419.00 × 580,687.68 - Step 4: Simplify right side
986,462.30x = 856,757,641,307.81 - Step 5: Solve for x
x = 856,757,641,307.81/986,462.30 - Step 6: Final answer
x = 868,515.34
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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.