Finding the Fourth Proportional to 570,839.53, 787,724.74 and 312,664.99
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Solution
The fourth proportional to 570,839.53, 787,724.74 and 312,664.99 is: 431,459.17
Step by Step Solution
- Step 1: Write the proportion equation
570,839.53 : 787,724.74 = 312,664.99 : x - Step 2: Convert to fraction form
570,839.53/787,724.74 = 312,664.99/x - Step 3: Cross multiply
570,839.53x = 787,724.74 × 312,664.99 - Step 4: Simplify right side
570,839.53x = 246,293,947,954.85 - Step 5: Solve for x
x = 246,293,947,954.85/570,839.53 - Step 6: Final answer
x = 431,459.17
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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.