Finding the Fourth Proportional to 738,320.24, 1,107,572.64 and 288,983.12
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Solution
The fourth proportional to 738,320.24, 1,107,572.64 and 288,983.12 is: 433,510.80
Step by Step Solution
- Step 1: Write the proportion equation
738,320.24 : 1,107,572.64 = 288,983.12 : x - Step 2: Convert to fraction form
738,320.24/1,107,572.64 = 288,983.12/x - Step 3: Cross multiply
738,320.24x = 1,107,572.64 × 288,983.12 - Step 4: Simplify right side
738,320.24x = 320,069,797,133.84 - Step 5: Solve for x
x = 320,069,797,133.84/738,320.24 - Step 6: Final answer
x = 433,510.80
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1.5x scale
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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.