Finding the Fourth Proportional to 977,116.26, 1,348,420.42 and 547,396.26
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Solution
The fourth proportional to 977,116.26, 1,348,420.42 and 547,396.26 is: 755,406.83
Step by Step Solution
- Step 1: Write the proportion equation
977,116.26 : 1,348,420.42 = 547,396.26 : x - Step 2: Convert to fraction form
977,116.26/1,348,420.42 = 547,396.26/x - Step 3: Cross multiply
977,116.26x = 1,348,420.42 × 547,396.26 - Step 4: Simplify right side
977,116.26x = 738,120,294,815.63 - Step 5: Solve for x
x = 738,120,294,815.63/977,116.26 - Step 6: Final answer
x = 755,406.83
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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.