Finding the Fourth Proportional to 892,835.92, 1,232,122.62 and 484,941.70
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Solution
The fourth proportional to 892,835.92, 1,232,122.62 and 484,941.70 is: 669,224.46
Step by Step Solution
- Step 1: Write the proportion equation
892,835.92 : 1,232,122.62 = 484,941.70 : x - Step 2: Convert to fraction form
892,835.92/1,232,122.62 = 484,941.70/x - Step 3: Cross multiply
892,835.92x = 1,232,122.62 × 484,941.70 - Step 4: Simplify right side
892,835.92x = 597,507,637,951.25 - Step 5: Solve for x
x = 597,507,637,951.25/892,835.92 - Step 6: Final answer
x = 669,224.46
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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.