Finding the Fourth Proportional to 920,464.45, 1,378,814.41 and 750,292.63
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Solution
The fourth proportional to 920,464.45, 1,378,814.41 and 750,292.63 is: 1,123,904.67
Step by Step Solution
- Step 1: Write the proportion equation
920,464.45 : 1,378,814.41 = 750,292.63 : x - Step 2: Convert to fraction form
920,464.45/1,378,814.41 = 750,292.63/x - Step 3: Cross multiply
920,464.45x = 1,378,814.41 × 750,292.63 - Step 4: Simplify right side
920,464.45x = 1,034,514,289,960.80 - Step 5: Solve for x
x = 1,034,514,289,960.80/920,464.45 - Step 6: Final answer
x = 1,123,904.67
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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.