Finding the Fourth Proportional to 976,164.88, 1,347,135.68 and 546,442.44
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Solution
The fourth proportional to 976,164.88, 1,347,135.68 and 546,442.44 is: 754,106.32
Step by Step Solution
- Step 1: Write the proportion equation
976,164.88 : 1,347,135.68 = 546,442.44 : x - Step 2: Convert to fraction form
976,164.88/1,347,135.68 = 546,442.44/x - Step 3: Cross multiply
976,164.88x = 1,347,135.68 × 546,442.44 - Step 4: Simplify right side
976,164.88x = 736,132,107,990.26 - Step 5: Solve for x
x = 736,132,107,990.26/976,164.88 - Step 6: Final answer
x = 754,106.32
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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.