Finding the Fourth Proportional to 615,811.74, 849,745.26 and 343,894.74
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Solution
The fourth proportional to 615,811.74, 849,745.26 and 343,894.74 is: 474,532.89
Step by Step Solution
- Step 1: Write the proportion equation
615,811.74 : 849,745.26 = 343,894.74 : x - Step 2: Convert to fraction form
615,811.74/849,745.26 = 343,894.74/x - Step 3: Cross multiply
615,811.74x = 849,745.26 × 343,894.74 - Step 4: Simplify right side
615,811.74x = 292,222,925,253.93 - Step 5: Solve for x
x = 292,222,925,253.93/615,811.74 - Step 6: Final answer
x = 474,532.89
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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.