Finding the Fourth Proportional to 517,927.36, 714,759.16 and 285,363.88
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Solution
The fourth proportional to 517,927.36, 714,759.16 and 285,363.88 is: 393,812.85
Step by Step Solution
- Step 1: Write the proportion equation
517,927.36 : 714,759.16 = 285,363.88 : x - Step 2: Convert to fraction form
517,927.36/714,759.16 = 285,363.88/x - Step 3: Cross multiply
517,927.36x = 714,759.16 × 285,363.88 - Step 4: Simplify right side
517,927.36x = 203,966,447,163.14 - Step 5: Solve for x
x = 203,966,447,163.14/517,927.36 - Step 6: Final answer
x = 393,812.85
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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.