Finding the Fourth Proportional to 893,908.17, 1,340,440.79 and 324,889.02
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Solution
The fourth proportional to 893,908.17, 1,340,440.79 and 324,889.02 is: 487,180.35
Step by Step Solution
- Step 1: Write the proportion equation
893,908.17 : 1,340,440.79 = 324,889.02 : x - Step 2: Convert to fraction form
893,908.17/1,340,440.79 = 324,889.02/x - Step 3: Cross multiply
893,908.17x = 1,340,440.79 × 324,889.02 - Step 4: Simplify right side
893,908.17x = 435,494,493,006.68 - Step 5: Solve for x
x = 435,494,493,006.68/893,908.17 - Step 6: Final answer
x = 487,180.35
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.