Finding the Fourth Proportional to 784,011.70, 1,081,805.00 and 461,785.96
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Solution
The fourth proportional to 784,011.70, 1,081,805.00 and 461,785.96 is: 637,187.38
Step by Step Solution
- Step 1: Write the proportion equation
784,011.70 : 1,081,805.00 = 461,785.96 : x - Step 2: Convert to fraction form
784,011.70/1,081,805.00 = 461,785.96/x - Step 3: Cross multiply
784,011.70x = 1,081,805.00 × 461,785.96 - Step 4: Simplify right side
784,011.70x = 499,562,359,501.13 - Step 5: Solve for x
x = 499,562,359,501.13/784,011.70 - Step 6: Final answer
x = 637,187.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.