Finding the Fourth Proportional to 746,545.18, 1,120,282.16 and 303,313.18
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Solution
The fourth proportional to 746,545.18, 1,120,282.16 and 303,313.18 is: 455,158.45
Step by Step Solution
- Step 1: Write the proportion equation
746,545.18 : 1,120,282.16 = 303,313.18 : x - Step 2: Convert to fraction form
746,545.18/1,120,282.16 = 303,313.18/x - Step 3: Cross multiply
746,545.18x = 1,120,282.16 × 303,313.18 - Step 4: Simplify right side
746,545.18x = 339,796,344,446.87 - Step 5: Solve for x
x = 339,796,344,446.87/746,545.18 - Step 6: Final answer
x = 455,158.45
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1.5x scale
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.