Finding the Fourth Proportional to 788,807.70, 1,183,211.55 and 473,879.70
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Solution
The fourth proportional to 788,807.70, 1,183,211.55 and 473,879.70 is: 710,819.55
Step by Step Solution
- Step 1: Write the proportion equation
788,807.70 : 1,183,211.55 = 473,879.70 : x - Step 2: Convert to fraction form
788,807.70/1,183,211.55 = 473,879.70/x - Step 3: Cross multiply
788,807.70x = 1,183,211.55 × 473,879.70 - Step 4: Simplify right side
788,807.70x = 560,699,934,350.54 - Step 5: Solve for x
x = 560,699,934,350.54/788,807.70 - Step 6: Final answer
x = 710,819.55
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1.5x scale
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.