Finding the Fourth Proportional to 987,952.62, 1,363,598.20 and 558,481.98
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Solution
The fourth proportional to 987,952.62, 1,363,598.20 and 558,481.98 is: 770,831.52
Step by Step Solution
- Step 1: Write the proportion equation
987,952.62 : 1,363,598.20 = 558,481.98 : x - Step 2: Convert to fraction form
987,952.62/1,363,598.20 = 558,481.98/x - Step 3: Cross multiply
987,952.62x = 1,363,598.20 × 558,481.98 - Step 4: Simplify right side
987,952.62x = 761,545,022,660.44 - Step 5: Solve for x
x = 761,545,022,660.44/987,952.62 - Step 6: Final answer
x = 770,831.52
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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.