Finding the Fourth Proportional to 561,749.80, 775,223.94 and 335,415.08
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Solution
The fourth proportional to 561,749.80, 775,223.94 and 335,415.08 is: 462,878.31
Step by Step Solution
- Step 1: Write the proportion equation
561,749.80 : 775,223.94 = 335,415.08 : x - Step 2: Convert to fraction form
561,749.80/775,223.94 = 335,415.08/x - Step 3: Cross multiply
561,749.80x = 775,223.94 × 335,415.08 - Step 4: Simplify right side
561,749.80x = 260,021,799,853.02 - Step 5: Solve for x
x = 260,021,799,853.02/561,749.80 - Step 6: Final answer
x = 462,878.31
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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.