Finding the Fourth Proportional to 633,118.68, 873,786.96 and 361,124.28
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Solution
The fourth proportional to 633,118.68, 873,786.96 and 361,124.28 is: 498,398.95
Step by Step Solution
- Step 1: Write the proportion equation
633,118.68 : 873,786.96 = 361,124.28 : x - Step 2: Convert to fraction form
633,118.68/873,786.96 = 361,124.28/x - Step 3: Cross multiply
633,118.68x = 873,786.96 × 361,124.28 - Step 4: Simplify right side
633,118.68x = 315,545,686,803.39 - Step 5: Solve for x
x = 315,545,686,803.39/633,118.68 - Step 6: Final answer
x = 498,398.95
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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.