Finding the Fourth Proportional to 919,050.30, 1,266,883.74 and 646,375.14
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Solution
The fourth proportional to 919,050.30, 1,266,883.74 and 646,375.14 is: 891,009.07
Step by Step Solution
- Step 1: Write the proportion equation
919,050.30 : 1,266,883.74 = 646,375.14 : x - Step 2: Convert to fraction form
919,050.30/1,266,883.74 = 646,375.14/x - Step 3: Cross multiply
919,050.30x = 1,266,883.74 × 646,375.14 - Step 4: Simplify right side
919,050.30x = 818,882,154,806.22 - Step 5: Solve for x
x = 818,882,154,806.22/919,050.30 - Step 6: Final answer
x = 891,009.07
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.