Finding the Fourth Proportional to 519,512.98, 716,920.88 and 290,073.82
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Solution
The fourth proportional to 519,512.98, 716,920.88 and 290,073.82 is: 400,297.95
Step by Step Solution
- Step 1: Write the proportion equation
519,512.98 : 716,920.88 = 290,073.82 : x - Step 2: Convert to fraction form
519,512.98/716,920.88 = 290,073.82/x - Step 3: Cross multiply
519,512.98x = 716,920.88 × 290,073.82 - Step 4: Simplify right side
519,512.98x = 207,959,978,299.36 - Step 5: Solve for x
x = 207,959,978,299.36/519,512.98 - Step 6: Final answer
x = 400,297.95
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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.