Finding the Fourth Proportional to 786,295.47, 1,082,841.68 and 708,105.36
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Solution
The fourth proportional to 786,295.47, 1,082,841.68 and 708,105.36 is: 975,162.68
Step by Step Solution
- Step 1: Write the proportion equation
786,295.47 : 1,082,841.68 = 708,105.36 : x - Step 2: Convert to fraction form
786,295.47/1,082,841.68 = 708,105.36/x - Step 3: Cross multiply
786,295.47x = 1,082,841.68 × 708,105.36 - Step 4: Simplify right side
786,295.47x = 766,765,994,098.88 - Step 5: Solve for x
x = 766,765,994,098.88/786,295.47 - Step 6: Final answer
x = 975,162.68
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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.