Finding the Fourth Proportional to 779,576.48, 1,169,405.99 and 247,139.04
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Solution
The fourth proportional to 779,576.48, 1,169,405.99 and 247,139.04 is: 370,721.64
Step by Step Solution
- Step 1: Write the proportion equation
779,576.48 : 1,169,405.99 = 247,139.04 : x - Step 2: Convert to fraction form
779,576.48/1,169,405.99 = 247,139.04/x - Step 3: Cross multiply
779,576.48x = 1,169,405.99 × 247,139.04 - Step 4: Simplify right side
779,576.48x = 289,005,873,738.85 - Step 5: Solve for x
x = 289,005,873,738.85/779,576.48 - Step 6: Final answer
x = 370,721.64
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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.