Finding the Fourth Proportional to 816,154.62, 1,126,266.42 and 448,632.99
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Solution
The fourth proportional to 816,154.62, 1,126,266.42 and 448,632.99 is: 619,098.71
Step by Step Solution
- Step 1: Write the proportion equation
816,154.62 : 1,126,266.42 = 448,632.99 : x - Step 2: Convert to fraction form
816,154.62/1,126,266.42 = 448,632.99/x - Step 3: Cross multiply
816,154.62x = 1,126,266.42 × 448,632.99 - Step 4: Simplify right side
816,154.62x = 505,280,271,541.20 - Step 5: Solve for x
x = 505,280,271,541.20/816,154.62 - Step 6: Final answer
x = 619,098.71
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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.