Finding the Fourth Proportional to 688,048.96, 1,031,664.64 and 261,616
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Solution
The fourth proportional to 688,048.96, 1,031,664.64 and 261,616 is: 392,268.56
Step by Step Solution
- Step 1: Write the proportion equation
688,048.96 : 1,031,664.64 = 261,616 : x - Step 2: Convert to fraction form
688,048.96/1,031,664.64 = 261,616/x - Step 3: Cross multiply
688,048.96x = 1,031,664.64 × 261,616 - Step 4: Simplify right side
688,048.96x = 269,899,976,458.24 - Step 5: Solve for x
x = 269,899,976,458.24/688,048.96 - Step 6: Final answer
x = 392,268.56
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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.