Finding the Fourth Proportional to 813,589.47, 1,122,877.74 and 519,366.29
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Solution
The fourth proportional to 813,589.47, 1,122,877.74 and 519,366.29 is: 716,804.80
Step by Step Solution
- Step 1: Write the proportion equation
813,589.47 : 1,122,877.74 = 519,366.29 : x - Step 2: Convert to fraction form
813,589.47/1,122,877.74 = 519,366.29/x - Step 3: Cross multiply
813,589.47x = 1,122,877.74 × 519,366.29 - Step 4: Simplify right side
813,589.47x = 583,184,840,333.00 - Step 5: Solve for x
x = 583,184,840,333.00/813,589.47 - Step 6: Final answer
x = 716,804.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.