Finding the Fourth Proportional to 942,720.13, 1,300,981.16 and 513,027.97
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Solution
The fourth proportional to 942,720.13, 1,300,981.16 and 513,027.97 is: 707,993.50
Step by Step Solution
- Step 1: Write the proportion equation
942,720.13 : 1,300,981.16 = 513,027.97 : x - Step 2: Convert to fraction form
942,720.13/1,300,981.16 = 513,027.97/x - Step 3: Cross multiply
942,720.13x = 1,300,981.16 × 513,027.97 - Step 4: Simplify right side
942,720.13x = 667,439,723,523.05 - Step 5: Solve for x
x = 667,439,723,523.05/942,720.13 - Step 6: Final answer
x = 707,993.50
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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.