Finding the Fourth Proportional to 779,471.97, 1,169,837.67 and 330,508.09
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Solution
The fourth proportional to 779,471.97, 1,169,837.67 and 330,508.09 is: 496,029.15
Step by Step Solution
- Step 1: Write the proportion equation
779,471.97 : 1,169,837.67 = 330,508.09 : x - Step 2: Convert to fraction form
779,471.97/1,169,837.67 = 330,508.09/x - Step 3: Cross multiply
779,471.97x = 1,169,837.67 × 330,508.09 - Step 4: Simplify right side
779,471.97x = 386,640,813,921.75 - Step 5: Solve for x
x = 386,640,813,921.75/779,471.97 - Step 6: Final answer
x = 496,029.15
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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.