Finding the Fourth Proportional to 779,578.80, 1,169,368.11 and 293,352.36
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Solution
The fourth proportional to 779,578.80, 1,169,368.11 and 293,352.36 is: 440,028.51
Step by Step Solution
- Step 1: Write the proportion equation
779,578.80 : 1,169,368.11 = 293,352.36 : x - Step 2: Convert to fraction form
779,578.80/1,169,368.11 = 293,352.36/x - Step 3: Cross multiply
779,578.80x = 1,169,368.11 × 293,352.36 - Step 4: Simplify right side
779,578.80x = 343,036,894,777.24 - Step 5: Solve for x
x = 343,036,894,777.24/779,578.80 - Step 6: Final answer
x = 440,028.51
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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.