Finding the Fourth Proportional to 989,237.50, 1,365,147.84 and 559,508.44
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Solution
The fourth proportional to 989,237.50, 1,365,147.84 and 559,508.44 is: 772,121.70
Step by Step Solution
- Step 1: Write the proportion equation
989,237.50 : 1,365,147.84 = 559,508.44 : x - Step 2: Convert to fraction form
989,237.50/1,365,147.84 = 559,508.44/x - Step 3: Cross multiply
989,237.50x = 1,365,147.84 × 559,508.44 - Step 4: Simplify right side
989,237.50x = 763,811,738,327.77 - Step 5: Solve for x
x = 763,811,738,327.77/989,237.50 - Step 6: Final answer
x = 772,121.70
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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.