Finding the Fourth Proportional to 723,931.98, 1,085,252.70 and 274,968.13
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Solution
The fourth proportional to 723,931.98, 1,085,252.70 and 274,968.13 is: 412,207.10
Step by Step Solution
- Step 1: Write the proportion equation
723,931.98 : 1,085,252.70 = 274,968.13 : x - Step 2: Convert to fraction form
723,931.98/1,085,252.70 = 274,968.13/x - Step 3: Cross multiply
723,931.98x = 1,085,252.70 × 274,968.13 - Step 4: Simplify right side
723,931.98x = 298,409,905,496.45 - Step 5: Solve for x
x = 298,409,905,496.45/723,931.98 - Step 6: Final answer
x = 412,207.10
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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.