Finding the Fourth Proportional to 633,424.98, 874,140.68 and 361,487.46
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Solution
The fourth proportional to 633,424.98, 874,140.68 and 361,487.46 is: 498,860.80
Step by Step Solution
- Step 1: Write the proportion equation
633,424.98 : 874,140.68 = 361,487.46 : x - Step 2: Convert to fraction form
633,424.98/874,140.68 = 361,487.46/x - Step 3: Cross multiply
633,424.98x = 874,140.68 × 361,487.46 - Step 4: Simplify right side
633,424.98x = 315,990,894,999.59 - Step 5: Solve for x
x = 315,990,894,999.59/633,424.98 - Step 6: Final answer
x = 498,860.80
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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.