Finding the Fourth Proportional to 910,848.30, 1,366,272.45 and 808,496.70
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Solution
The fourth proportional to 910,848.30, 1,366,272.45 and 808,496.70 is: 1,212,745.05
Step by Step Solution
- Step 1: Write the proportion equation
910,848.30 : 1,366,272.45 = 808,496.70 : x - Step 2: Convert to fraction form
910,848.30/1,366,272.45 = 808,496.70/x - Step 3: Cross multiply
910,848.30x = 1,366,272.45 × 808,496.70 - Step 4: Simplify right side
910,848.30x = 1,104,626,767,125.91 - Step 5: Solve for x
x = 1,104,626,767,125.91/910,848.30 - Step 6: Final answer
x = 1,212,745.05
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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.