Finding the Fourth Proportional to 878,276.01, 1,211,954.14 and 534,064.42
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Solution
The fourth proportional to 878,276.01, 1,211,954.14 and 534,064.42 is: 736,968.31
Step by Step Solution
- Step 1: Write the proportion equation
878,276.01 : 1,211,954.14 = 534,064.42 : x - Step 2: Convert to fraction form
878,276.01/1,211,954.14 = 534,064.42/x - Step 3: Cross multiply
878,276.01x = 1,211,954.14 × 534,064.42 - Step 4: Simplify right side
878,276.01x = 647,261,584,845.70 - Step 5: Solve for x
x = 647,261,584,845.70/878,276.01 - Step 6: Final answer
x = 736,968.31
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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.