Finding the Fourth Proportional to 493,992.99, 681,334.19 and 425,199.54
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Solution
The fourth proportional to 493,992.99, 681,334.19 and 425,199.54 is: 586,451.61
Step by Step Solution
- Step 1: Write the proportion equation
493,992.99 : 681,334.19 = 425,199.54 : x - Step 2: Convert to fraction form
493,992.99/681,334.19 = 425,199.54/x - Step 3: Cross multiply
493,992.99x = 681,334.19 × 425,199.54 - Step 4: Simplify right side
493,992.99x = 289,702,986,197.78 - Step 5: Solve for x
x = 289,702,986,197.78/493,992.99 - Step 6: Final answer
x = 586,451.61
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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.