Finding the Fourth Proportional to 916,419.02, 1,375,634.14 and 728,089.97
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Solution
The fourth proportional to 916,419.02, 1,375,634.14 and 728,089.97 is: 1,092,933.90
Step by Step Solution
- Step 1: Write the proportion equation
916,419.02 : 1,375,634.14 = 728,089.97 : x - Step 2: Convert to fraction form
916,419.02/1,375,634.14 = 728,089.97/x - Step 3: Cross multiply
916,419.02x = 1,375,634.14 × 728,089.97 - Step 4: Simplify right side
916,419.02x = 1,001,585,411,025.18 - Step 5: Solve for x
x = 1,001,585,411,025.18/916,419.02 - Step 6: Final answer
x = 1,092,933.90
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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.