Finding the Fourth Proportional to 766,662.91, 1,057,970.00 and 440,029.68
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Solution
The fourth proportional to 766,662.91, 1,057,970.00 and 440,029.68 is: 607,226.72
Step by Step Solution
- Step 1: Write the proportion equation
766,662.91 : 1,057,970.00 = 440,029.68 : x - Step 2: Convert to fraction form
766,662.91/1,057,970.00 = 440,029.68/x - Step 3: Cross multiply
766,662.91x = 1,057,970.00 × 440,029.68 - Step 4: Simplify right side
766,662.91x = 465,538,201,649.67 - Step 5: Solve for x
x = 465,538,201,649.67/766,662.91 - Step 6: Final answer
x = 607,226.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.