Finding the Fourth Proportional to 994,509.60, 1,492,930.80 and 987,511.20
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Solution
The fourth proportional to 994,509.60, 1,492,930.80 and 987,511.20 is: 1,482,424.99
Step by Step Solution
- Step 1: Write the proportion equation
994,509.60 : 1,492,930.80 = 987,511.20 : x - Step 2: Convert to fraction form
994,509.60/1,492,930.80 = 987,511.20/x - Step 3: Cross multiply
994,509.60x = 1,492,930.80 × 987,511.20 - Step 4: Simplify right side
994,509.60x = 1,474,285,885,824.96 - Step 5: Solve for x
x = 1,474,285,885,824.96/994,509.60 - Step 6: Final answer
x = 1,482,424.99
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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.