Finding the Fourth Proportional to 879,278.24, 1,318,915.29 and 577,576.80
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Solution
The fourth proportional to 879,278.24, 1,318,915.29 and 577,576.80 is: 866,363.85
Step by Step Solution
- Step 1: Write the proportion equation
879,278.24 : 1,318,915.29 = 577,576.80 : x - Step 2: Convert to fraction form
879,278.24/1,318,915.29 = 577,576.80/x - Step 3: Cross multiply
879,278.24x = 1,318,915.29 × 577,576.80 - Step 4: Simplify right side
879,278.24x = 761,774,872,669.27 - Step 5: Solve for x
x = 761,774,872,669.27/879,278.24 - Step 6: Final answer
x = 866,363.85
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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.