Finding the Fourth Proportional to 838,444.24, 1,256,544.60 and 411,325.84
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Solution
The fourth proportional to 838,444.24, 1,256,544.60 and 411,325.84 is: 616,438.44
Step by Step Solution
- Step 1: Write the proportion equation
838,444.24 : 1,256,544.60 = 411,325.84 : x - Step 2: Convert to fraction form
838,444.24/1,256,544.60 = 411,325.84/x - Step 3: Cross multiply
838,444.24x = 1,256,544.60 × 411,325.84 - Step 4: Simplify right side
838,444.24x = 516,849,263,092.46 - Step 5: Solve for x
x = 516,849,263,092.46/838,444.24 - Step 6: Final answer
x = 616,438.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.