Finding the Fourth Proportional to 780,267.12, 1,077,232.68 and 494,032.56
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Solution
The fourth proportional to 780,267.12, 1,077,232.68 and 494,032.56 is: 682,058.75
Step by Step Solution
- Step 1: Write the proportion equation
780,267.12 : 1,077,232.68 = 494,032.56 : x - Step 2: Convert to fraction form
780,267.12/1,077,232.68 = 494,032.56/x - Step 3: Cross multiply
780,267.12x = 1,077,232.68 × 494,032.56 - Step 4: Simplify right side
780,267.12x = 532,188,018,616.06 - Step 5: Solve for x
x = 532,188,018,616.06/780,267.12 - Step 6: Final answer
x = 682,058.75
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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.