Finding the Fourth Proportional to 846,405.19, 1,270,160.75 and 403,207.75
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Solution
The fourth proportional to 846,405.19, 1,270,160.75 and 403,207.75 is: 605,075.04
Step by Step Solution
- Step 1: Write the proportion equation
846,405.19 : 1,270,160.75 = 403,207.75 : x - Step 2: Convert to fraction form
846,405.19/1,270,160.75 = 403,207.75/x - Step 3: Cross multiply
846,405.19x = 1,270,160.75 × 403,207.75 - Step 4: Simplify right side
846,405.19x = 512,138,658,145.81 - Step 5: Solve for x
x = 512,138,658,145.81/846,405.19 - Step 6: Final answer
x = 605,075.04
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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.