Finding the Fourth Proportional to 979,517.75, 1,468,605.85 and 498,815.05
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Solution
The fourth proportional to 979,517.75, 1,468,605.85 and 498,815.05 is: 747,880.99
Step by Step Solution
- Step 1: Write the proportion equation
979,517.75 : 1,468,605.85 = 498,815.05 : x - Step 2: Convert to fraction form
979,517.75/1,468,605.85 = 498,815.05/x - Step 3: Cross multiply
979,517.75x = 1,468,605.85 × 498,815.05 - Step 4: Simplify right side
979,517.75x = 732,562,700,498.04 - Step 5: Solve for x
x = 732,562,700,498.04/979,517.75 - Step 6: Final answer
x = 747,880.99
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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.