Finding the Fourth Proportional to 744,267.97, 1,115,367.68 and 388,572.47
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Solution
The fourth proportional to 744,267.97, 1,115,367.68 and 388,572.47 is: 582,318.72
Step by Step Solution
- Step 1: Write the proportion equation
744,267.97 : 1,115,367.68 = 388,572.47 : x - Step 2: Convert to fraction form
744,267.97/1,115,367.68 = 388,572.47/x - Step 3: Cross multiply
744,267.97x = 1,115,367.68 × 388,572.47 - Step 4: Simplify right side
744,267.97x = 433,401,168,798.93 - Step 5: Solve for x
x = 433,401,168,798.93/744,267.97 - Step 6: Final answer
x = 582,318.72
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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.