Finding the Fourth Proportional to 873,810.72, 1,310,277.60 and 424,249.92
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Solution
The fourth proportional to 873,810.72, 1,310,277.60 and 424,249.92 is: 636,161.99
Step by Step Solution
- Step 1: Write the proportion equation
873,810.72 : 1,310,277.60 = 424,249.92 : x - Step 2: Convert to fraction form
873,810.72/1,310,277.60 = 424,249.92/x - Step 3: Cross multiply
873,810.72x = 1,310,277.60 × 424,249.92 - Step 4: Simplify right side
873,810.72x = 555,885,166,977.79 - Step 5: Solve for x
x = 555,885,166,977.79/873,810.72 - Step 6: Final answer
x = 636,161.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.