Finding the Fourth Proportional to 603,328.13, 903,614.38 and 288,006.47
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Solution
The fourth proportional to 603,328.13, 903,614.38 and 288,006.47 is: 431,351.99
Step by Step Solution
- Step 1: Write the proportion equation
603,328.13 : 903,614.38 = 288,006.47 : x - Step 2: Convert to fraction form
603,328.13/903,614.38 = 288,006.47/x - Step 3: Cross multiply
603,328.13x = 903,614.38 × 288,006.47 - Step 4: Simplify right side
603,328.13x = 260,246,787,825.04 - Step 5: Solve for x
x = 260,246,787,825.04/603,328.13 - Step 6: Final answer
x = 431,351.99
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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.