Finding the Fourth Proportional to 568,890.23, 785,060.34 and 310,764.08
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Solution
The fourth proportional to 568,890.23, 785,060.34 and 310,764.08 is: 428,849.96
Step by Step Solution
- Step 1: Write the proportion equation
568,890.23 : 785,060.34 = 310,764.08 : x - Step 2: Convert to fraction form
568,890.23/785,060.34 = 310,764.08/x - Step 3: Cross multiply
568,890.23x = 785,060.34 × 310,764.08 - Step 4: Simplify right side
568,890.23x = 243,968,550,379.29 - Step 5: Solve for x
x = 243,968,550,379.29/568,890.23 - Step 6: Final answer
x = 428,849.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.