Finding the Fourth Proportional to 668,483.92, 922,515.24 and 366,671.44
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Solution
The fourth proportional to 668,483.92, 922,515.24 and 366,671.44 is: 506,010.66
Step by Step Solution
- Step 1: Write the proportion equation
668,483.92 : 922,515.24 = 366,671.44 : x - Step 2: Convert to fraction form
668,483.92/922,515.24 = 366,671.44/x - Step 3: Cross multiply
668,483.92x = 922,515.24 × 366,671.44 - Step 4: Simplify right side
668,483.92x = 338,259,991,472.75 - Step 5: Solve for x
x = 338,259,991,472.75/668,483.92 - Step 6: Final answer
x = 506,010.66
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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.