Finding the Fourth Proportional to 1,544,232.90, 2,316,349.35 and 422,415.30
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Solution
The fourth proportional to 1,544,232.90, 2,316,349.35 and 422,415.30 is: 633,622.95
Step by Step Solution
- Step 1: Write the proportion equation
1,544,232.90 : 2,316,349.35 = 422,415.30 : x - Step 2: Convert to fraction form
1,544,232.90/2,316,349.35 = 422,415.30/x - Step 3: Cross multiply
1,544,232.90x = 2,316,349.35 × 422,415.30 - Step 4: Simplify right side
1,544,232.90x = 978,461,405,585.06 - Step 5: Solve for x
x = 978,461,405,585.06/1,544,232.90 - Step 6: Final answer
x = 633,622.95
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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.