Finding the Fourth Proportional to 926,637.87, 1,278,750.49 and 518,743.07
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Solution
The fourth proportional to 926,637.87, 1,278,750.49 and 518,743.07 is: 715,859.96
Step by Step Solution
- Step 1: Write the proportion equation
926,637.87 : 1,278,750.49 = 518,743.07 : x - Step 2: Convert to fraction form
926,637.87/1,278,750.49 = 518,743.07/x - Step 3: Cross multiply
926,637.87x = 1,278,750.49 × 518,743.07 - Step 4: Simplify right side
926,637.87x = 663,342,947,255.99 - Step 5: Solve for x
x = 663,342,947,255.99/926,637.87 - Step 6: Final answer
x = 715,859.96
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.