Finding the Fourth Proportional to 662,639.80, 993,959.70 and 579,695.80
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Solution
The fourth proportional to 662,639.80, 993,959.70 and 579,695.80 is: 869,543.70
Step by Step Solution
- Step 1: Write the proportion equation
662,639.80 : 993,959.70 = 579,695.80 : x - Step 2: Convert to fraction form
662,639.80/993,959.70 = 579,695.80/x - Step 3: Cross multiply
662,639.80x = 993,959.70 × 579,695.80 - Step 4: Simplify right side
662,639.80x = 576,194,263,459.26 - Step 5: Solve for x
x = 576,194,263,459.26/662,639.80 - Step 6: Final answer
x = 869,543.70
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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.