Finding the Fourth Proportional to 1,577,478.56, 2,366,616.84 and 440,240.56
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Solution
The fourth proportional to 1,577,478.56, 2,366,616.84 and 440,240.56 is: 660,472.19
Step by Step Solution
- Step 1: Write the proportion equation
1,577,478.56 : 2,366,616.84 = 440,240.56 : x - Step 2: Convert to fraction form
1,577,478.56/2,366,616.84 = 440,240.56/x - Step 3: Cross multiply
1,577,478.56x = 2,366,616.84 × 440,240.56 - Step 4: Simplify right side
1,577,478.56x = 1,041,880,722,947.03 - Step 5: Solve for x
x = 1,041,880,722,947.03/1,577,478.56 - Step 6: Final answer
x = 660,472.19
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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.