Finding the Fourth Proportional to 910,746.76, 1,366,185.74 and 349,781.26
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Solution
The fourth proportional to 910,746.76, 1,366,185.74 and 349,781.26 is: 524,697.08
Step by Step Solution
- Step 1: Write the proportion equation
910,746.76 : 1,366,185.74 = 349,781.26 : x - Step 2: Convert to fraction form
910,746.76/1,366,185.74 = 349,781.26/x - Step 3: Cross multiply
910,746.76x = 1,366,185.74 × 349,781.26 - Step 4: Simplify right side
910,746.76x = 477,866,169,531.23 - Step 5: Solve for x
x = 477,866,169,531.23/910,746.76 - Step 6: Final answer
x = 524,697.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.