Finding the Fourth Proportional to 877,933.20, 1,211,484.96 and 515,371.80
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Solution
The fourth proportional to 877,933.20, 1,211,484.96 and 515,371.80 is: 711,176.19
Step by Step Solution
- Step 1: Write the proportion equation
877,933.20 : 1,211,484.96 = 515,371.80 : x - Step 2: Convert to fraction form
877,933.20/1,211,484.96 = 515,371.80/x - Step 3: Cross multiply
877,933.20x = 1,211,484.96 × 515,371.80 - Step 4: Simplify right side
877,933.20x = 624,365,184,508.13 - Step 5: Solve for x
x = 624,365,184,508.13/877,933.20 - Step 6: Final answer
x = 711,176.19
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.