Finding the Fourth Proportional to 684,465.08, 1,026,872.57 and 263,627.96
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Solution
The fourth proportional to 684,465.08, 1,026,872.57 and 263,627.96 is: 395,509.32
Step by Step Solution
- Step 1: Write the proportion equation
684,465.08 : 1,026,872.57 = 263,627.96 : x - Step 2: Convert to fraction form
684,465.08/1,026,872.57 = 263,627.96/x - Step 3: Cross multiply
684,465.08x = 1,026,872.57 × 263,627.96 - Step 4: Simplify right side
684,465.08x = 270,712,316,333.76 - Step 5: Solve for x
x = 270,712,316,333.76/684,465.08 - Step 6: Final answer
x = 395,509.32
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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.