Finding the Fourth Proportional to 614,848.71, 848,886.11 and 385,720.14
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Solution
The fourth proportional to 614,848.71, 848,886.11 and 385,720.14 is: 532,541.52
Step by Step Solution
- Step 1: Write the proportion equation
614,848.71 : 848,886.11 = 385,720.14 : x - Step 2: Convert to fraction form
614,848.71/848,886.11 = 385,720.14/x - Step 3: Cross multiply
614,848.71x = 848,886.11 × 385,720.14 - Step 4: Simplify right side
614,848.71x = 327,432,469,193.26 - Step 5: Solve for x
x = 327,432,469,193.26/614,848.71 - Step 6: Final answer
x = 532,541.52
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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.