Finding the Fourth Proportional to 582,986.90, 872,505.14 and 358,489.53
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Solution
The fourth proportional to 582,986.90, 872,505.14 and 358,489.53 is: 536,519.70
Step by Step Solution
- Step 1: Write the proportion equation
582,986.90 : 872,505.14 = 358,489.53 : x - Step 2: Convert to fraction form
582,986.90/872,505.14 = 358,489.53/x - Step 3: Cross multiply
582,986.90x = 872,505.14 × 358,489.53 - Step 4: Simplify right side
582,986.90x = 312,783,955,768.74 - Step 5: Solve for x
x = 312,783,955,768.74/582,986.90 - Step 6: Final answer
x = 536,519.70
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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.