Finding the Fourth Proportional to 894,572.10, 1,341,398.48 and 263,403.90
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Solution
The fourth proportional to 894,572.10, 1,341,398.48 and 263,403.90 is: 394,970.50
Step by Step Solution
- Step 1: Write the proportion equation
894,572.10 : 1,341,398.48 = 263,403.90 : x - Step 2: Convert to fraction form
894,572.10/1,341,398.48 = 263,403.90/x - Step 3: Cross multiply
894,572.10x = 1,341,398.48 × 263,403.90 - Step 4: Simplify right side
894,572.10x = 353,329,589,769.05 - Step 5: Solve for x
x = 353,329,589,769.05/894,572.10 - Step 6: Final answer
x = 394,970.50
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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.