Finding the Fourth Proportional to 910,902.40, 1,364,166.60 and 489,248.80
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Solution
The fourth proportional to 910,902.40, 1,364,166.60 and 489,248.80 is: 732,698.55
Step by Step Solution
- Step 1: Write the proportion equation
910,902.40 : 1,364,166.60 = 489,248.80 : x - Step 2: Convert to fraction form
910,902.40/1,364,166.60 = 489,248.80/x - Step 3: Cross multiply
910,902.40x = 1,364,166.60 × 489,248.80 - Step 4: Simplify right side
910,902.40x = 667,416,872,050.08 - Step 5: Solve for x
x = 667,416,872,050.08/910,902.40 - Step 6: Final answer
x = 732,698.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.