Finding the Fourth Proportional to 580,962.76, 801,817.62 and 354,740.68
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Solution
The fourth proportional to 580,962.76, 801,817.62 and 354,740.68 is: 489,596.49
Step by Step Solution
- Step 1: Write the proportion equation
580,962.76 : 801,817.62 = 354,740.68 : x - Step 2: Convert to fraction form
580,962.76/801,817.62 = 354,740.68/x - Step 3: Cross multiply
580,962.76x = 801,817.62 × 354,740.68 - Step 4: Simplify right side
580,962.76x = 284,437,327,754.78 - Step 5: Solve for x
x = 284,437,327,754.78/580,962.76 - Step 6: Final answer
x = 489,596.49
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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.