Finding the Fourth Proportional to 789,237.34, 1,088,881.02 and 449,465.02
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Solution
The fourth proportional to 789,237.34, 1,088,881.02 and 449,465.02 is: 620,109.95
Step by Step Solution
- Step 1: Write the proportion equation
789,237.34 : 1,088,881.02 = 449,465.02 : x - Step 2: Convert to fraction form
789,237.34/1,088,881.02 = 449,465.02/x - Step 3: Cross multiply
789,237.34x = 1,088,881.02 × 449,465.02 - Step 4: Simplify right side
789,237.34x = 489,413,929,431.92 - Step 5: Solve for x
x = 489,413,929,431.92/789,237.34 - Step 6: Final answer
x = 620,109.95
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1.5x scale
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.