Finding the Fourth Proportional to 883,489.80, 1,325,234.70 and 634,657.80
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Solution
The fourth proportional to 883,489.80, 1,325,234.70 and 634,657.80 is: 951,986.70
Step by Step Solution
- Step 1: Write the proportion equation
883,489.80 : 1,325,234.70 = 634,657.80 : x - Step 2: Convert to fraction form
883,489.80/1,325,234.70 = 634,657.80/x - Step 3: Cross multiply
883,489.80x = 1,325,234.70 × 634,657.80 - Step 4: Simplify right side
883,489.80x = 841,070,539,185.66 - Step 5: Solve for x
x = 841,070,539,185.66/883,489.80 - Step 6: Final answer
x = 951,986.70
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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.