Finding the Fourth Proportional to 887,604.12, 1,224,827.46 and 505,556.28
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Solution
The fourth proportional to 887,604.12, 1,224,827.46 and 505,556.28 is: 697,629.95
Step by Step Solution
- Step 1: Write the proportion equation
887,604.12 : 1,224,827.46 = 505,556.28 : x - Step 2: Convert to fraction form
887,604.12/1,224,827.46 = 505,556.28/x - Step 3: Cross multiply
887,604.12x = 1,224,827.46 × 505,556.28 - Step 4: Simplify right side
887,604.12x = 619,219,214,319.45 - Step 5: Solve for x
x = 619,219,214,319.45/887,604.12 - Step 6: Final answer
x = 697,629.95
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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.