Finding the Fourth Proportional to 558,239.88, 770,546.49 and 316,683.03
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Solution
The fourth proportional to 558,239.88, 770,546.49 and 316,683.03 is: 437,122.12
Step by Step Solution
- Step 1: Write the proportion equation
558,239.88 : 770,546.49 = 316,683.03 : x - Step 2: Convert to fraction form
558,239.88/770,546.49 = 316,683.03/x - Step 3: Cross multiply
558,239.88x = 770,546.49 × 316,683.03 - Step 4: Simplify right side
558,239.88x = 244,018,997,209.07 - Step 5: Solve for x
x = 244,018,997,209.07/558,239.88 - Step 6: Final answer
x = 437,122.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.