Finding the Fourth Proportional to 1,108,984.44, 1,663,581.42 and 310,266.12
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Solution
The fourth proportional to 1,108,984.44, 1,663,581.42 and 310,266.12 is: 465,428.49
Step by Step Solution
- Step 1: Write the proportion equation
1,108,984.44 : 1,663,581.42 = 310,266.12 : x - Step 2: Convert to fraction form
1,108,984.44/1,663,581.42 = 310,266.12/x - Step 3: Cross multiply
1,108,984.44x = 1,663,581.42 × 310,266.12 - Step 4: Simplify right side
1,108,984.44x = 516,152,952,487.49 - Step 5: Solve for x
x = 516,152,952,487.49/1,108,984.44 - Step 6: Final answer
x = 465,428.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.