Finding the Fourth Proportional to 778,207.92, 1,166,646.60 and 298,780.08
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Solution
The fourth proportional to 778,207.92, 1,166,646.60 and 298,780.08 is: 447,914.70
Step by Step Solution
- Step 1: Write the proportion equation
778,207.92 : 1,166,646.60 = 298,780.08 : x - Step 2: Convert to fraction form
778,207.92/1,166,646.60 = 298,780.08/x - Step 3: Cross multiply
778,207.92x = 1,166,646.60 × 298,780.08 - Step 4: Simplify right side
778,207.92x = 348,570,764,479.73 - Step 5: Solve for x
x = 348,570,764,479.73/778,207.92 - Step 6: Final answer
x = 447,914.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.