Finding the Fourth Proportional to 435,266.71, 649,365.58 and 411,724.87
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Solution
The fourth proportional to 435,266.71, 649,365.58 and 411,724.87 is: 614,243.99
Step by Step Solution
- Step 1: Write the proportion equation
435,266.71 : 649,365.58 = 411,724.87 : x - Step 2: Convert to fraction form
435,266.71/649,365.58 = 411,724.87/x - Step 3: Cross multiply
435,266.71x = 649,365.58 × 411,724.87 - Step 4: Simplify right side
435,266.71x = 267,359,962,709.87 - Step 5: Solve for x
x = 267,359,962,709.87/435,266.71 - Step 6: Final answer
x = 614,243.99
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.