Finding the Fourth Proportional to 840,454.22, 1,159,881.60 and 477,911.84
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Solution
The fourth proportional to 840,454.22, 1,159,881.60 and 477,911.84 is: 659,549.49
Step by Step Solution
- Step 1: Write the proportion equation
840,454.22 : 1,159,881.60 = 477,911.84 : x - Step 2: Convert to fraction form
840,454.22/1,159,881.60 = 477,911.84/x - Step 3: Cross multiply
840,454.22x = 1,159,881.60 × 477,911.84 - Step 4: Simplify right side
840,454.22x = 554,321,149,638.14 - Step 5: Solve for x
x = 554,321,149,638.14/840,454.22 - Step 6: Final answer
x = 659,549.49
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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.