Finding the Fourth Proportional to 919,963.14, 1,269,549.18 and 512,056.23
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Solution
The fourth proportional to 919,963.14, 1,269,549.18 and 512,056.23 is: 706,637.63
Step by Step Solution
- Step 1: Write the proportion equation
919,963.14 : 1,269,549.18 = 512,056.23 : x - Step 2: Convert to fraction form
919,963.14/1,269,549.18 = 512,056.23/x - Step 3: Cross multiply
919,963.14x = 1,269,549.18 × 512,056.23 - Step 4: Simplify right side
919,963.14x = 650,080,569,290.80 - Step 5: Solve for x
x = 650,080,569,290.80/919,963.14 - Step 6: Final answer
x = 706,637.63
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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.