Finding the Fourth Proportional to 735,221.03, 1,102,899.51 and 285,975.99
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Solution
The fourth proportional to 735,221.03, 1,102,899.51 and 285,975.99 is: 428,990.42
Step by Step Solution
- Step 1: Write the proportion equation
735,221.03 : 1,102,899.51 = 285,975.99 : x - Step 2: Convert to fraction form
735,221.03/1,102,899.51 = 285,975.99/x - Step 3: Cross multiply
735,221.03x = 1,102,899.51 × 285,975.99 - Step 4: Simplify right side
735,221.03x = 315,402,779,242.77 - Step 5: Solve for x
x = 315,402,779,242.77/735,221.03 - Step 6: Final answer
x = 428,990.42
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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.