Finding the Fourth Proportional to 922,922.60, 1,384,124.70 and 292,029.80
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Solution
The fourth proportional to 922,922.60, 1,384,124.70 and 292,029.80 is: 437,962.68
Step by Step Solution
- Step 1: Write the proportion equation
922,922.60 : 1,384,124.70 = 292,029.80 : x - Step 2: Convert to fraction form
922,922.60/1,384,124.70 = 292,029.80/x - Step 3: Cross multiply
922,922.60x = 1,384,124.70 × 292,029.80 - Step 4: Simplify right side
922,922.60x = 404,205,659,316.06 - Step 5: Solve for x
x = 404,205,659,316.06/922,922.60 - Step 6: Final answer
x = 437,962.68
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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.