Finding the Fourth Proportional to 819,246.72, 1,130,097.42 and 512,791.06
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Solution
The fourth proportional to 819,246.72, 1,130,097.42 and 512,791.06 is: 707,361.82
Step by Step Solution
- Step 1: Write the proportion equation
819,246.72 : 1,130,097.42 = 512,791.06 : x - Step 2: Convert to fraction form
819,246.72/1,130,097.42 = 512,791.06/x - Step 3: Cross multiply
819,246.72x = 1,130,097.42 × 512,791.06 - Step 4: Simplify right side
819,246.72x = 579,503,853,905.07 - Step 5: Solve for x
x = 579,503,853,905.07/819,246.72 - Step 6: Final answer
x = 707,361.82
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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.