Finding the Fourth Proportional to 756,277.80, 1,134,416.70 and 585,035.70
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Solution
The fourth proportional to 756,277.80, 1,134,416.70 and 585,035.70 is: 877,553.55
Step by Step Solution
- Step 1: Write the proportion equation
756,277.80 : 1,134,416.70 = 585,035.70 : x - Step 2: Convert to fraction form
756,277.80/1,134,416.70 = 585,035.70/x - Step 3: Cross multiply
756,277.80x = 1,134,416.70 × 585,035.70 - Step 4: Simplify right side
756,277.80x = 663,674,268,176.19 - Step 5: Solve for x
x = 663,674,268,176.19/756,277.80 - Step 6: Final answer
x = 877,553.55
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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.