Finding the Fourth Proportional to 529,460.91, 730,660.64 and 287,743.53
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Solution
The fourth proportional to 529,460.91, 730,660.64 and 287,743.53 is: 397,088.56
Step by Step Solution
- Step 1: Write the proportion equation
529,460.91 : 730,660.64 = 287,743.53 : x - Step 2: Convert to fraction form
529,460.91/730,660.64 = 287,743.53/x - Step 3: Cross multiply
529,460.91x = 730,660.64 × 287,743.53 - Step 4: Simplify right side
529,460.91x = 210,242,871,785.66 - Step 5: Solve for x
x = 210,242,871,785.66/529,460.91 - Step 6: Final answer
x = 397,088.56
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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.