Finding the Fourth Proportional to 529,434.96, 730,542.60 and 314,584.08
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Solution
The fourth proportional to 529,434.96, 730,542.60 and 314,584.08 is: 434,079.89
Step by Step Solution
- Step 1: Write the proportion equation
529,434.96 : 730,542.60 = 314,584.08 : x - Step 2: Convert to fraction form
529,434.96/730,542.60 = 314,584.08/x - Step 3: Cross multiply
529,434.96x = 730,542.60 × 314,584.08 - Step 4: Simplify right side
529,434.96x = 229,817,071,721.81 - Step 5: Solve for x
x = 229,817,071,721.81/529,434.96 - Step 6: Final answer
x = 434,079.89
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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.