Finding the Fourth Proportional to 519,485.94, 716,466.87 and 436,383.18
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Solution
The fourth proportional to 519,485.94, 716,466.87 and 436,383.18 is: 601,852.85
Step by Step Solution
- Step 1: Write the proportion equation
519,485.94 : 716,466.87 = 436,383.18 : x - Step 2: Convert to fraction form
519,485.94/716,466.87 = 436,383.18/x - Step 3: Cross multiply
519,485.94x = 716,466.87 × 436,383.18 - Step 4: Simplify right side
519,485.94x = 312,654,091,095.25 - Step 5: Solve for x
x = 312,654,091,095.25/519,485.94 - Step 6: Final answer
x = 601,852.85
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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.