Finding the Fourth Proportional to 758,966.24, 1,047,310.56 and 419,433.68
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Solution
The fourth proportional to 758,966.24, 1,047,310.56 and 419,433.68 is: 578,783.74
Step by Step Solution
- Step 1: Write the proportion equation
758,966.24 : 1,047,310.56 = 419,433.68 : x - Step 2: Convert to fraction form
758,966.24/1,047,310.56 = 419,433.68/x - Step 3: Cross multiply
758,966.24x = 1,047,310.56 × 419,433.68 - Step 4: Simplify right side
758,966.24x = 439,277,322,283.66 - Step 5: Solve for x
x = 439,277,322,283.66/758,966.24 - Step 6: Final answer
x = 578,783.74
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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.