Finding the Fourth Proportional to 926,164.44, 1,278,175.56 and 518,307.12
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Solution
The fourth proportional to 926,164.44, 1,278,175.56 and 518,307.12 is: 715,302.23
Step by Step Solution
- Step 1: Write the proportion equation
926,164.44 : 1,278,175.56 = 518,307.12 : x - Step 2: Convert to fraction form
926,164.44/1,278,175.56 = 518,307.12/x - Step 3: Cross multiply
926,164.44x = 1,278,175.56 × 518,307.12 - Step 4: Simplify right side
926,164.44x = 662,487,493,357.99 - Step 5: Solve for x
x = 662,487,493,357.99/926,164.44 - Step 6: Final answer
x = 715,302.23
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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.