Finding the Fourth Proportional to 798,787.60, 1,102,406.46 and 476,497.48
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Solution
The fourth proportional to 798,787.60, 1,102,406.46 and 476,497.48 is: 657,613.99
Step by Step Solution
- Step 1: Write the proportion equation
798,787.60 : 1,102,406.46 = 476,497.48 : x - Step 2: Convert to fraction form
798,787.60/1,102,406.46 = 476,497.48/x - Step 3: Cross multiply
798,787.60x = 1,102,406.46 × 476,497.48 - Step 4: Simplify right side
798,787.60x = 525,293,900,125.72 - Step 5: Solve for x
x = 525,293,900,125.72/798,787.60 - Step 6: Final answer
x = 657,613.99
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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.