Finding the Fourth Proportional to 892,848.68, 1,232,140.20 and 484,958.48
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Solution
The fourth proportional to 892,848.68, 1,232,140.20 and 484,958.48 is: 669,247.60
Step by Step Solution
- Step 1: Write the proportion equation
892,848.68 : 1,232,140.20 = 484,958.48 : x - Step 2: Convert to fraction form
892,848.68/1,232,140.20 = 484,958.48/x - Step 3: Cross multiply
892,848.68x = 1,232,140.20 × 484,958.48 - Step 4: Simplify right side
892,848.68x = 597,536,832,378.20 - Step 5: Solve for x
x = 597,536,832,378.20/892,848.68 - Step 6: Final answer
x = 669,247.60
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1.5x scale
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.