Finding the Fourth Proportional to 1,440,240.36, 2,158,844.13 and 480,438.96
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Solution
The fourth proportional to 1,440,240.36, 2,158,844.13 and 480,438.96 is: 720,152.59
Step by Step Solution
- Step 1: Write the proportion equation
1,440,240.36 : 2,158,844.13 = 480,438.96 : x - Step 2: Convert to fraction form
1,440,240.36/2,158,844.13 = 480,438.96/x - Step 3: Cross multiply
1,440,240.36x = 2,158,844.13 × 480,438.96 - Step 4: Simplify right side
1,440,240.36x = 1,037,192,828,619.30 - Step 5: Solve for x
x = 1,037,192,828,619.30/1,440,240.36 - Step 6: Final answer
x = 720,152.59
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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.