Finding the Fourth Proportional to 861,526.53, 1,292,257.80 and 349,173.99
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Solution
The fourth proportional to 861,526.53, 1,292,257.80 and 349,173.99 is: 523,748.02
Step by Step Solution
- Step 1: Write the proportion equation
861,526.53 : 1,292,257.80 = 349,173.99 : x - Step 2: Convert to fraction form
861,526.53/1,292,257.80 = 349,173.99/x - Step 3: Cross multiply
861,526.53x = 1,292,257.80 × 349,173.99 - Step 4: Simplify right side
861,526.53x = 451,222,812,134.62 - Step 5: Solve for x
x = 451,222,812,134.62/861,526.53 - Step 6: Final answer
x = 523,748.02
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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.