Finding the Fourth Proportional to 755,570.70, 1,133,356.05 and 256,934.70
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Solution
The fourth proportional to 755,570.70, 1,133,356.05 and 256,934.70 is: 385,402.05
Step by Step Solution
- Step 1: Write the proportion equation
755,570.70 : 1,133,356.05 = 256,934.70 : x - Step 2: Convert to fraction form
755,570.70/1,133,356.05 = 256,934.70/x - Step 3: Cross multiply
755,570.70x = 1,133,356.05 × 256,934.70 - Step 4: Simplify right side
755,570.70x = 291,198,496,699.94 - Step 5: Solve for x
x = 291,198,496,699.94/755,570.70 - Step 6: Final answer
x = 385,402.05
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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.