Finding the Fourth Proportional to 837,822.14, 1,247,257.80 and 832,840.64
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Solution
The fourth proportional to 837,822.14, 1,247,257.80 and 832,840.64 is: 1,239,841.88
Step by Step Solution
- Step 1: Write the proportion equation
837,822.14 : 1,247,257.80 = 832,840.64 : x - Step 2: Convert to fraction form
837,822.14/1,247,257.80 = 832,840.64/x - Step 3: Cross multiply
837,822.14x = 1,247,257.80 × 832,840.64 - Step 4: Simplify right side
837,822.14x = 1,038,766,980,232.79 - Step 5: Solve for x
x = 1,038,766,980,232.79/837,822.14 - Step 6: Final answer
x = 1,239,841.88
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.