Finding the Fourth Proportional to 842,444.96, 1,264,788.47 and 443,365.99
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Solution
The fourth proportional to 842,444.96, 1,264,788.47 and 443,365.99 is: 665,638.97
Step by Step Solution
- Step 1: Write the proportion equation
842,444.96 : 1,264,788.47 = 443,365.99 : x - Step 2: Convert to fraction form
842,444.96/1,264,788.47 = 443,365.99/x - Step 3: Cross multiply
842,444.96x = 1,264,788.47 × 443,365.99 - Step 4: Simplify right side
842,444.96x = 560,764,190,088.58 - Step 5: Solve for x
x = 560,764,190,088.58/842,444.96 - Step 6: Final answer
x = 665,638.97
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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.