Finding the Fourth Proportional to 569,018.36, 785,236.05 and 310,889.75
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Solution
The fourth proportional to 569,018.36, 785,236.05 and 310,889.75 is: 429,022.79
Step by Step Solution
- Step 1: Write the proportion equation
569,018.36 : 785,236.05 = 310,889.75 : x - Step 2: Convert to fraction form
569,018.36/785,236.05 = 310,889.75/x - Step 3: Cross multiply
569,018.36x = 785,236.05 × 310,889.75 - Step 4: Simplify right side
569,018.36x = 244,121,843,293.81 - Step 5: Solve for x
x = 244,121,843,293.81/569,018.36 - Step 6: Final answer
x = 429,022.79
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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.