Finding the Fourth Proportional to 752,999.24, 1,039,232.58 and 430,664.60
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Solution
The fourth proportional to 752,999.24, 1,039,232.58 and 430,664.60 is: 594,370.70
Step by Step Solution
- Step 1: Write the proportion equation
752,999.24 : 1,039,232.58 = 430,664.60 : x - Step 2: Convert to fraction form
752,999.24/1,039,232.58 = 430,664.60/x - Step 3: Cross multiply
752,999.24x = 1,039,232.58 × 430,664.60 - Step 4: Simplify right side
752,999.24x = 447,560,683,372.67 - Step 5: Solve for x
x = 447,560,683,372.67/752,999.24 - Step 6: Final answer
x = 594,370.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.