Finding the Fourth Proportional to 880,811.20, 1,235,624 and 880,811.20
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Solution
The fourth proportional to 880,811.20, 1,235,624 and 880,811.20 is: 1,235,624
Step by Step Solution
- Step 1: Write the proportion equation
880,811.20 : 1,235,624 = 880,811.20 : x - Step 2: Convert to fraction form
880,811.20/1,235,624 = 880,811.20/x - Step 3: Cross multiply
880,811.20x = 1,235,624 × 880,811.20 - Step 4: Simplify right side
880,811.20x = 1,088,351,458,188.80 - Step 5: Solve for x
x = 1,088,351,458,188.80/880,811.20 - Step 6: Final answer
x = 1,235,624
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.