Finding the Fourth Proportional to 823,788.92, 1,235,444.70 and 247,388.95
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Solution
The fourth proportional to 823,788.92, 1,235,444.70 and 247,388.95 is: 371,011.75
Step by Step Solution
- Step 1: Write the proportion equation
823,788.92 : 1,235,444.70 = 247,388.95 : x - Step 2: Convert to fraction form
823,788.92/1,235,444.70 = 247,388.95/x - Step 3: Cross multiply
823,788.92x = 1,235,444.70 × 247,388.95 - Step 4: Simplify right side
823,788.92x = 305,635,367,116.07 - Step 5: Solve for x
x = 305,635,367,116.07/823,788.92 - Step 6: Final answer
x = 371,011.75
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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.