Finding the Fourth Proportional to 782,669.35, 1,173,991.23 and 309,358.81
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Solution
The fourth proportional to 782,669.35, 1,173,991.23 and 309,358.81 is: 464,033.16
Step by Step Solution
- Step 1: Write the proportion equation
782,669.35 : 1,173,991.23 = 309,358.81 : x - Step 2: Convert to fraction form
782,669.35/1,173,991.23 = 309,358.81/x - Step 3: Cross multiply
782,669.35x = 1,173,991.23 × 309,358.81 - Step 4: Simplify right side
782,669.35x = 363,184,529,863.24 - Step 5: Solve for x
x = 363,184,529,863.24/782,669.35 - Step 6: Final answer
x = 464,033.16
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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.