Finding the Fourth Proportional to 662,676.18, 914,439.19 and 372,271.95
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Solution
The fourth proportional to 662,676.18, 914,439.19 and 372,271.95 is: 513,704.99
Step by Step Solution
- Step 1: Write the proportion equation
662,676.18 : 914,439.19 = 372,271.95 : x - Step 2: Convert to fraction form
662,676.18/914,439.19 = 372,271.95/x - Step 3: Cross multiply
662,676.18x = 914,439.19 × 372,271.95 - Step 4: Simplify right side
662,676.18x = 340,420,060,417.72 - Step 5: Solve for x
x = 340,420,060,417.72/662,676.18 - Step 6: Final answer
x = 513,704.99
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1.5x scale
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.