Finding the Fourth Proportional to 865,727.57, 1,194,822.71 and 498,197.15
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Solution
The fourth proportional to 865,727.57, 1,194,822.71 and 498,197.15 is: 687,580.35
Step by Step Solution
- Step 1: Write the proportion equation
865,727.57 : 1,194,822.71 = 498,197.15 : x - Step 2: Convert to fraction form
865,727.57/1,194,822.71 = 498,197.15/x - Step 3: Cross multiply
865,727.57x = 1,194,822.71 × 498,197.15 - Step 4: Simplify right side
865,727.57x = 595,257,268,877.28 - Step 5: Solve for x
x = 595,257,268,877.28/865,727.57 - Step 6: Final answer
x = 687,580.35
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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.