Finding the Fourth Proportional to 736,968.08, 1,103,680.61 and 420,465.44
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Solution
The fourth proportional to 736,968.08, 1,103,680.61 and 420,465.44 is: 629,687.45
Step by Step Solution
- Step 1: Write the proportion equation
736,968.08 : 1,103,680.61 = 420,465.44 : x - Step 2: Convert to fraction form
736,968.08/1,103,680.61 = 420,465.44/x - Step 3: Cross multiply
736,968.08x = 1,103,680.61 × 420,465.44 - Step 4: Simplify right side
736,968.08x = 464,059,553,303.12 - Step 5: Solve for x
x = 464,059,553,303.12/736,968.08 - Step 6: Final answer
x = 629,687.45
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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.