Finding the Fourth Proportional to 921,386.36, 1,382,481.12 and 322,776.92
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Solution
The fourth proportional to 921,386.36, 1,382,481.12 and 322,776.92 is: 484,306.06
Step by Step Solution
- Step 1: Write the proportion equation
921,386.36 : 1,382,481.12 = 322,776.92 : x - Step 2: Convert to fraction form
921,386.36/1,382,481.12 = 322,776.92/x - Step 3: Cross multiply
921,386.36x = 1,382,481.12 × 322,776.92 - Step 4: Simplify right side
921,386.36x = 446,232,997,871.75 - Step 5: Solve for x
x = 446,232,997,871.75/921,386.36 - Step 6: Final answer
x = 484,306.06
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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.