Finding the Fourth Proportional to 736,967.08, 1,103,679.11 and 420,464.44
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Solution
The fourth proportional to 736,967.08, 1,103,679.11 and 420,464.44 is: 629,685.95
Step by Step Solution
- Step 1: Write the proportion equation
736,967.08 : 1,103,679.11 = 420,464.44 : x - Step 2: Convert to fraction form
736,967.08/1,103,679.11 = 420,464.44/x - Step 3: Cross multiply
736,967.08x = 1,103,679.11 × 420,464.44 - Step 4: Simplify right side
736,967.08x = 464,057,818,925.85 - Step 5: Solve for x
x = 464,057,818,925.85/736,967.08 - Step 6: Final answer
x = 629,685.95
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1.5x scale
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.