Finding the Fourth Proportional to 852,153.21, 1,175,966.94 and 464,968.53
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Solution
The fourth proportional to 852,153.21, 1,175,966.94 and 464,968.53 is: 641,654.12
Step by Step Solution
- Step 1: Write the proportion equation
852,153.21 : 1,175,966.94 = 464,968.53 : x - Step 2: Convert to fraction form
852,153.21/1,175,966.94 = 464,968.53/x - Step 3: Cross multiply
852,153.21x = 1,175,966.94 × 464,968.53 - Step 4: Simplify right side
852,153.21x = 546,787,619,420.40 - Step 5: Solve for x
x = 546,787,619,420.40/852,153.21 - Step 6: Final answer
x = 641,654.12
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.