Finding the Fourth Proportional to 618,673.36, 853,829.16 and 346,787.44
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Solution
The fourth proportional to 618,673.36, 853,829.16 and 346,787.44 is: 478,600.26
Step by Step Solution
- Step 1: Write the proportion equation
618,673.36 : 853,829.16 = 346,787.44 : x - Step 2: Convert to fraction form
618,673.36/853,829.16 = 346,787.44/x - Step 3: Cross multiply
618,673.36x = 853,829.16 × 346,787.44 - Step 4: Simplify right side
618,673.36x = 296,097,228,593.75 - Step 5: Solve for x
x = 296,097,228,593.75/618,673.36 - Step 6: Final answer
x = 478,600.26
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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.