Finding the Fourth Proportional to 694,154.48, 1,041,330.48 and 214,423.05
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Solution
The fourth proportional to 694,154.48, 1,041,330.48 and 214,423.05 is: 321,665.08
Step by Step Solution
- Step 1: Write the proportion equation
694,154.48 : 1,041,330.48 = 214,423.05 : x - Step 2: Convert to fraction form
694,154.48/1,041,330.48 = 214,423.05/x - Step 3: Cross multiply
694,154.48x = 1,041,330.48 × 214,423.05 - Step 4: Simplify right side
694,154.48x = 223,285,256,029.11 - Step 5: Solve for x
x = 223,285,256,029.11/694,154.48 - Step 6: Final answer
x = 321,665.08
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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.