Finding the Fourth Proportional to 877,506.41, 1,316,745.92 and 428,231.00
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Solution
The fourth proportional to 877,506.41, 1,316,745.92 and 428,231.00 is: 642,583.82
Step by Step Solution
- Step 1: Write the proportion equation
877,506.41 : 1,316,745.92 = 428,231.00 : x - Step 2: Convert to fraction form
877,506.41/1,316,745.92 = 428,231.00/x - Step 3: Cross multiply
877,506.41x = 1,316,745.92 × 428,231.00 - Step 4: Simplify right side
877,506.41x = 563,871,426,429.96 - Step 5: Solve for x
x = 563,871,426,429.96/877,506.41 - Step 6: Final answer
x = 642,583.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.