Finding the Fourth Proportional to 939,848.75, 1,296,992.58 and 510,128.96
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Solution
The fourth proportional to 939,848.75, 1,296,992.58 and 510,128.96 is: 703,978.68
Step by Step Solution
- Step 1: Write the proportion equation
939,848.75 : 1,296,992.58 = 510,128.96 : x - Step 2: Convert to fraction form
939,848.75/1,296,992.58 = 510,128.96/x - Step 3: Cross multiply
939,848.75x = 1,296,992.58 × 510,128.96 - Step 4: Simplify right side
939,848.75x = 661,633,479,205.60 - Step 5: Solve for x
x = 661,633,479,205.60/939,848.75 - Step 6: Final answer
x = 703,978.68
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.