Finding the Fourth Proportional to 763,134.28, 1,052,911.92 and 476,945.08
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Solution
The fourth proportional to 763,134.28, 1,052,911.92 and 476,945.08 is: 658,050.85
Step by Step Solution
- Step 1: Write the proportion equation
763,134.28 : 1,052,911.92 = 476,945.08 : x - Step 2: Convert to fraction form
763,134.28/1,052,911.92 = 476,945.08/x - Step 3: Cross multiply
763,134.28x = 1,052,911.92 × 476,945.08 - Step 4: Simplify right side
763,134.28x = 502,181,159,917.35 - Step 5: Solve for x
x = 502,181,159,917.35/763,134.28 - Step 6: Final answer
x = 658,050.85
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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.