Finding the Fourth Proportional to 877,676.05, 1,211,186.01 and 475,268.05
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Solution
The fourth proportional to 877,676.05, 1,211,186.01 and 475,268.05 is: 655,866.15
Step by Step Solution
- Step 1: Write the proportion equation
877,676.05 : 1,211,186.01 = 475,268.05 : x - Step 2: Convert to fraction form
877,676.05/1,211,186.01 = 475,268.05/x - Step 3: Cross multiply
877,676.05x = 1,211,186.01 × 475,268.05 - Step 4: Simplify right side
877,676.05x = 575,638,013,159.98 - Step 5: Solve for x
x = 575,638,013,159.98/877,676.05 - Step 6: Final answer
x = 655,866.15
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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.