Finding the Fourth Proportional to 855,220.88, 1,180,187.16 and 473,247.44
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Solution
The fourth proportional to 855,220.88, 1,180,187.16 and 473,247.44 is: 653,071.70
Step by Step Solution
- Step 1: Write the proportion equation
855,220.88 : 1,180,187.16 = 473,247.44 : x - Step 2: Convert to fraction form
855,220.88/1,180,187.16 = 473,247.44/x - Step 3: Cross multiply
855,220.88x = 1,180,187.16 × 473,247.44 - Step 4: Simplify right side
855,220.88x = 558,520,552,190.87 - Step 5: Solve for x
x = 558,520,552,190.87/855,220.88 - Step 6: Final answer
x = 653,071.70
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1.5x scale
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.