Finding the Fourth Proportional to 615,990.38, 850,057.76 and 344,062.14
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Solution
The fourth proportional to 615,990.38, 850,057.76 and 344,062.14 is: 474,800.75
Step by Step Solution
- Step 1: Write the proportion equation
615,990.38 : 850,057.76 = 344,062.14 : x - Step 2: Convert to fraction form
615,990.38/850,057.76 = 344,062.14/x - Step 3: Cross multiply
615,990.38x = 850,057.76 × 344,062.14 - Step 4: Simplify right side
615,990.38x = 292,472,692,029.21 - Step 5: Solve for x
x = 292,472,692,029.21/615,990.38 - Step 6: Final answer
x = 474,800.75
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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.