Finding the Fourth Proportional to 831,397.68, 1,246,294.62 and 382,426.02
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Solution
The fourth proportional to 831,397.68, 1,246,294.62 and 382,426.02 is: 573,270.17
Step by Step Solution
- Step 1: Write the proportion equation
831,397.68 : 1,246,294.62 = 382,426.02 : x - Step 2: Convert to fraction form
831,397.68/1,246,294.62 = 382,426.02/x - Step 3: Cross multiply
831,397.68x = 1,246,294.62 × 382,426.02 - Step 4: Simplify right side
831,397.68x = 476,615,491,274.01 - Step 5: Solve for x
x = 476,615,491,274.01/831,397.68 - Step 6: Final answer
x = 573,270.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.