Finding the Fourth Proportional to 977,412.22, 1,348,865.36 and 547,676.44
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Solution
The fourth proportional to 977,412.22, 1,348,865.36 and 547,676.44 is: 755,813.94
Step by Step Solution
- Step 1: Write the proportion equation
977,412.22 : 1,348,865.36 = 547,676.44 : x - Step 2: Convert to fraction form
977,412.22/1,348,865.36 = 547,676.44/x - Step 3: Cross multiply
977,412.22x = 1,348,865.36 × 547,676.44 - Step 4: Simplify right side
977,412.22x = 738,741,774,347.36 - Step 5: Solve for x
x = 738,741,774,347.36/977,412.22 - Step 6: Final answer
x = 755,813.94
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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.