Finding the Fourth Proportional to 901,202.06, 1,243,660.06 and 561,670.31
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Solution
The fourth proportional to 901,202.06, 1,243,660.06 and 561,670.31 is: 775,105.79
Step by Step Solution
- Step 1: Write the proportion equation
901,202.06 : 1,243,660.06 = 561,670.31 : x - Step 2: Convert to fraction form
901,202.06/1,243,660.06 = 561,670.31/x - Step 3: Cross multiply
901,202.06x = 1,243,660.06 × 561,670.31 - Step 4: Simplify right side
901,202.06x = 698,526,935,246.06 - Step 5: Solve for x
x = 698,526,935,246.06/901,202.06 - Step 6: Final answer
x = 775,105.79
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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.