Finding the Fourth Proportional to 833,747.64, 1,150,580.80 and 489,587.68
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Solution
The fourth proportional to 833,747.64, 1,150,580.80 and 489,587.68 is: 675,636.32
Step by Step Solution
- Step 1: Write the proportion equation
833,747.64 : 1,150,580.80 = 489,587.68 : x - Step 2: Convert to fraction form
833,747.64/1,150,580.80 = 489,587.68/x - Step 3: Cross multiply
833,747.64x = 1,150,580.80 × 489,587.68 - Step 4: Simplify right side
833,747.64x = 563,310,184,524.54 - Step 5: Solve for x
x = 563,310,184,524.54/833,747.64 - Step 6: Final answer
x = 675,636.32
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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.