Finding the Fourth Proportional to 698,115.42, 1,046,204.16 and 318,107.46
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Solution
The fourth proportional to 698,115.42, 1,046,204.16 and 318,107.46 is: 476,719.66
Step by Step Solution
- Step 1: Write the proportion equation
698,115.42 : 1,046,204.16 = 318,107.46 : x - Step 2: Convert to fraction form
698,115.42/1,046,204.16 = 318,107.46/x - Step 3: Cross multiply
698,115.42x = 1,046,204.16 × 318,107.46 - Step 4: Simplify right side
698,115.42x = 332,805,347,979.03 - Step 5: Solve for x
x = 332,805,347,979.03/698,115.42 - Step 6: Final answer
x = 476,719.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.