Finding the Fourth Proportional to 1,119,471.75, 1,679,470.07 and 371,517.75
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Solution
The fourth proportional to 1,119,471.75, 1,679,470.07 and 371,517.75 is: 557,363.72
Step by Step Solution
- Step 1: Write the proportion equation
1,119,471.75 : 1,679,470.07 = 371,517.75 : x - Step 2: Convert to fraction form
1,119,471.75/1,679,470.07 = 371,517.75/x - Step 3: Cross multiply
1,119,471.75x = 1,679,470.07 × 371,517.75 - Step 4: Simplify right side
1,119,471.75x = 623,952,939,741.15 - Step 5: Solve for x
x = 623,952,939,741.15/1,119,471.75 - Step 6: Final answer
x = 557,363.72
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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.