Finding the Fourth Proportional to 615,325.70, 922,470.15 and 319,837.70
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Solution
The fourth proportional to 615,325.70, 922,470.15 and 319,837.70 is: 479,487.09
Step by Step Solution
- Step 1: Write the proportion equation
615,325.70 : 922,470.15 = 319,837.70 : x - Step 2: Convert to fraction form
615,325.70/922,470.15 = 319,837.70/x - Step 3: Cross multiply
615,325.70x = 922,470.15 × 319,837.70 - Step 4: Simplify right side
615,325.70x = 295,040,731,094.66 - Step 5: Solve for x
x = 295,040,731,094.66/615,325.70 - Step 6: Final answer
x = 479,487.09
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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.