Finding the Fourth Proportional to 756,381.23, 1,135,237.40 and 396,809.01
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Solution
The fourth proportional to 756,381.23, 1,135,237.40 and 396,809.01 is: 595,562.68
Step by Step Solution
- Step 1: Write the proportion equation
756,381.23 : 1,135,237.40 = 396,809.01 : x - Step 2: Convert to fraction form
756,381.23/1,135,237.40 = 396,809.01/x - Step 3: Cross multiply
756,381.23x = 1,135,237.40 × 396,809.01 - Step 4: Simplify right side
756,381.23x = 450,472,426,824.93 - Step 5: Solve for x
x = 450,472,426,824.93/756,381.23 - Step 6: Final answer
x = 595,562.68
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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.