Finding the Fourth Proportional to 918,713.07, 1,378,349.33 and 469,749.29
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Solution
The fourth proportional to 918,713.07, 1,378,349.33 and 469,749.29 is: 704,766.95
Step by Step Solution
- Step 1: Write the proportion equation
918,713.07 : 1,378,349.33 = 469,749.29 : x - Step 2: Convert to fraction form
918,713.07/1,378,349.33 = 469,749.29/x - Step 3: Cross multiply
918,713.07x = 1,378,349.33 × 469,749.29 - Step 4: Simplify right side
918,713.07x = 647,478,609,898.98 - Step 5: Solve for x
x = 647,478,609,898.98/918,713.07 - Step 6: Final answer
x = 704,766.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.