Finding the Fourth Proportional to 892,783.98, 1,232,050.79 and 484,893.79
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Solution
The fourth proportional to 892,783.98, 1,232,050.79 and 484,893.79 is: 669,158.25
Step by Step Solution
- Step 1: Write the proportion equation
892,783.98 : 1,232,050.79 = 484,893.79 : x - Step 2: Convert to fraction form
892,783.98/1,232,050.79 = 484,893.79/x - Step 3: Cross multiply
892,783.98x = 1,232,050.79 × 484,893.79 - Step 4: Simplify right side
892,783.98x = 597,413,768,450.87 - Step 5: Solve for x
x = 597,413,768,450.87/892,783.98 - Step 6: Final answer
x = 669,158.25
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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.