Finding the Fourth Proportional to 750,929.24, 1,036,276.14 and 406,757.18
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Solution
The fourth proportional to 750,929.24, 1,036,276.14 and 406,757.18 is: 561,321.54
Step by Step Solution
- Step 1: Write the proportion equation
750,929.24 : 1,036,276.14 = 406,757.18 : x - Step 2: Convert to fraction form
750,929.24/1,036,276.14 = 406,757.18/x - Step 3: Cross multiply
750,929.24x = 1,036,276.14 × 406,757.18 - Step 4: Simplify right side
750,929.24x = 421,512,760,407.69 - Step 5: Solve for x
x = 421,512,760,407.69/750,929.24 - Step 6: Final answer
x = 561,321.54
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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.