Finding the Fourth Proportional to 660,460.04, 911,438.36 and 374,035.88
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Solution
The fourth proportional to 660,460.04, 911,438.36 and 374,035.88 is: 516,171.50
Step by Step Solution
- Step 1: Write the proportion equation
660,460.04 : 911,438.36 = 374,035.88 : x - Step 2: Convert to fraction form
660,460.04/911,438.36 = 374,035.88/x - Step 3: Cross multiply
660,460.04x = 911,438.36 × 374,035.88 - Step 4: Simplify right side
660,460.04x = 340,910,649,048.36 - Step 5: Solve for x
x = 340,910,649,048.36/660,460.04 - Step 6: Final answer
x = 516,171.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.