Finding the Fourth Proportional to 893,705.24, 1,340,135.51 and 324,689.55
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Solution
The fourth proportional to 893,705.24, 1,340,135.51 and 324,689.55 is: 486,880.88
Step by Step Solution
- Step 1: Write the proportion equation
893,705.24 : 1,340,135.51 = 324,689.55 : x - Step 2: Convert to fraction form
893,705.24/1,340,135.51 = 324,689.55/x - Step 3: Cross multiply
893,705.24x = 1,340,135.51 × 324,689.55 - Step 4: Simplify right side
893,705.24x = 435,127,994,057.47 - Step 5: Solve for x
x = 435,127,994,057.47/893,705.24 - Step 6: Final answer
x = 486,880.88
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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.