Finding the Fourth Proportional to 758,882.81, 1,047,258.65 and 419,351.06
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Solution
The fourth proportional to 758,882.81, 1,047,258.65 and 419,351.06 is: 578,704.66
Step by Step Solution
- Step 1: Write the proportion equation
758,882.81 : 1,047,258.65 = 419,351.06 : x - Step 2: Convert to fraction form
758,882.81/1,047,258.65 = 419,351.06/x - Step 3: Cross multiply
758,882.81x = 1,047,258.65 × 419,351.06 - Step 4: Simplify right side
758,882.81x = 439,169,017,638.62 - Step 5: Solve for x
x = 439,169,017,638.62/758,882.81 - Step 6: Final answer
x = 578,704.66
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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.