Finding the Fourth Proportional to 893,122.92, 1,232,504.28 and 485,221.32
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Solution
The fourth proportional to 893,122.92, 1,232,504.28 and 485,221.32 is: 669,602.52
Step by Step Solution
- Step 1: Write the proportion equation
893,122.92 : 1,232,504.28 = 485,221.32 : x - Step 2: Convert to fraction form
893,122.92/1,232,504.28 = 485,221.32/x - Step 3: Cross multiply
893,122.92x = 1,232,504.28 × 485,221.32 - Step 4: Simplify right side
893,122.92x = 598,037,353,647.25 - Step 5: Solve for x
x = 598,037,353,647.25/893,122.92 - Step 6: Final answer
x = 669,602.52
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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.