Finding the Fourth Proportional to 779,647.93, 1,169,513.76 and 247,210.48
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Solution
The fourth proportional to 779,647.93, 1,169,513.76 and 247,210.48 is: 370,828.99
Step by Step Solution
- Step 1: Write the proportion equation
779,647.93 : 1,169,513.76 = 247,210.48 : x - Step 2: Convert to fraction form
779,647.93/1,169,513.76 = 247,210.48/x - Step 3: Cross multiply
779,647.93x = 1,169,513.76 × 247,210.48 - Step 4: Simplify right side
779,647.93x = 289,116,057,976.21 - Step 5: Solve for x
x = 289,116,057,976.21/779,647.93 - Step 6: Final answer
x = 370,828.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.