Finding the Fourth Proportional to 879,241.80, 1,318,862.70 and 564,313.80
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Solution
The fourth proportional to 879,241.80, 1,318,862.70 and 564,313.80 is: 846,470.70
Step by Step Solution
- Step 1: Write the proportion equation
879,241.80 : 1,318,862.70 = 564,313.80 : x - Step 2: Convert to fraction form
879,241.80/1,318,862.70 = 564,313.80/x - Step 3: Cross multiply
879,241.80x = 1,318,862.70 × 564,313.80 - Step 4: Simplify right side
879,241.80x = 744,252,421,915.26 - Step 5: Solve for x
x = 744,252,421,915.26/879,241.80 - Step 6: Final answer
x = 846,470.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.