Finding the Fourth Proportional to 633,390.98, 874,070.53 and 361,544.99
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Solution
The fourth proportional to 633,390.98, 874,070.53 and 361,544.99 is: 498,926.93
Step by Step Solution
- Step 1: Write the proportion equation
633,390.98 : 874,070.53 = 361,544.99 : x - Step 2: Convert to fraction form
633,390.98/874,070.53 = 361,544.99/x - Step 3: Cross multiply
633,390.98x = 874,070.53 × 361,544.99 - Step 4: Simplify right side
633,390.98x = 316,015,815,753.93 - Step 5: Solve for x
x = 316,015,815,753.93/633,390.98 - Step 6: Final answer
x = 498,926.93
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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.