Finding the Fourth Proportional to 529,646.41, 730,908.99 and 300,246.97
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Solution
The fourth proportional to 529,646.41, 730,908.99 and 300,246.97 is: 414,339.09
Step by Step Solution
- Step 1: Write the proportion equation
529,646.41 : 730,908.99 = 300,246.97 : x - Step 2: Convert to fraction form
529,646.41/730,908.99 = 300,246.97/x - Step 3: Cross multiply
529,646.41x = 730,908.99 × 300,246.97 - Step 4: Simplify right side
529,646.41x = 219,453,209,593.26 - Step 5: Solve for x
x = 219,453,209,593.26/529,646.41 - Step 6: Final answer
x = 414,339.09
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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.