Finding the Fourth Proportional to 822,659.70, 1,232,607.15 and 401,027.70
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Solution
The fourth proportional to 822,659.70, 1,232,607.15 and 401,027.70 is: 600,867.66
Step by Step Solution
- Step 1: Write the proportion equation
822,659.70 : 1,232,607.15 = 401,027.70 : x - Step 2: Convert to fraction form
822,659.70/1,232,607.15 = 401,027.70/x - Step 3: Cross multiply
822,659.70x = 1,232,607.15 × 401,027.70 - Step 4: Simplify right side
822,659.70x = 494,309,610,368.06 - Step 5: Solve for x
x = 494,309,610,368.06/822,659.70 - Step 6: Final answer
x = 600,867.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.