Finding the Fourth Proportional to 519,801.36, 717,331.86 and 304,945.08
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Solution
The fourth proportional to 519,801.36, 717,331.86 and 304,945.08 is: 420,827.72
Step by Step Solution
- Step 1: Write the proportion equation
519,801.36 : 717,331.86 = 304,945.08 : x - Step 2: Convert to fraction form
519,801.36/717,331.86 = 304,945.08/x - Step 3: Cross multiply
519,801.36x = 717,331.86 × 304,945.08 - Step 4: Simplify right side
519,801.36x = 218,746,821,434.25 - Step 5: Solve for x
x = 218,746,821,434.25/519,801.36 - Step 6: Final answer
x = 420,827.72
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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.