Finding the Fourth Proportional to 918,790.11, 1,267,828.88 and 551,247.75
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Solution
The fourth proportional to 918,790.11, 1,267,828.88 and 551,247.75 is: 760,661.01
Step by Step Solution
- Step 1: Write the proportion equation
918,790.11 : 1,267,828.88 = 551,247.75 : x - Step 2: Convert to fraction form
918,790.11/1,267,828.88 = 551,247.75/x - Step 3: Cross multiply
918,790.11x = 1,267,828.88 × 551,247.75 - Step 4: Simplify right side
918,790.11x = 698,887,814,728.78 - Step 5: Solve for x
x = 698,887,814,728.78/918,790.11 - Step 6: Final answer
x = 760,661.01
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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.