Finding the Fourth Proportional to 736,965.39, 1,103,676.58 and 420,462.75
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Solution
The fourth proportional to 736,965.39, 1,103,676.58 and 420,462.75 is: 629,683.42
Step by Step Solution
- Step 1: Write the proportion equation
736,965.39 : 1,103,676.58 = 420,462.75 : x - Step 2: Convert to fraction form
736,965.39/1,103,676.58 = 420,462.75/x - Step 3: Cross multiply
736,965.39x = 1,103,676.58 × 420,462.75 - Step 4: Simplify right side
736,965.39x = 464,054,889,937.40 - Step 5: Solve for x
x = 464,054,889,937.40/736,965.39 - Step 6: Final answer
x = 629,683.42
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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.