Finding the Fourth Proportional to 646,161.03, 969,439.19 and 330,840.99
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Solution
The fourth proportional to 646,161.03, 969,439.19 and 330,840.99 is: 496,362.68
Step by Step Solution
- Step 1: Write the proportion equation
646,161.03 : 969,439.19 = 330,840.99 : x - Step 2: Convert to fraction form
646,161.03/969,439.19 = 330,840.99/x - Step 3: Cross multiply
646,161.03x = 969,439.19 × 330,840.99 - Step 4: Simplify right side
646,161.03x = 320,730,219,710.19 - Step 5: Solve for x
x = 320,730,219,710.19/646,161.03 - Step 6: Final answer
x = 496,362.68
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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.