Finding the Fourth Proportional to 779,911.29, 1,169,908.44 and 247,473.99
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Solution
The fourth proportional to 779,911.29, 1,169,908.44 and 247,473.99 is: 371,224.15
Step by Step Solution
- Step 1: Write the proportion equation
779,911.29 : 1,169,908.44 = 247,473.99 : x - Step 2: Convert to fraction form
779,911.29/1,169,908.44 = 247,473.99/x - Step 3: Cross multiply
779,911.29x = 1,169,908.44 × 247,473.99 - Step 4: Simplify right side
779,911.29x = 289,521,909,581.48 - Step 5: Solve for x
x = 289,521,909,581.48/779,911.29 - Step 6: Final answer
x = 371,224.15
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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.