Finding the Fourth Proportional to 845,277.20, 1,166,480.08 and 463,302.80
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Solution
The fourth proportional to 845,277.20, 1,166,480.08 and 463,302.80 is: 639,356.52
Step by Step Solution
- Step 1: Write the proportion equation
845,277.20 : 1,166,480.08 = 463,302.80 : x - Step 2: Convert to fraction form
845,277.20/1,166,480.08 = 463,302.80/x - Step 3: Cross multiply
845,277.20x = 1,166,480.08 × 463,302.80 - Step 4: Simplify right side
845,277.20x = 540,433,487,208.22 - Step 5: Solve for x
x = 540,433,487,208.22/845,277.20 - Step 6: Final answer
x = 639,356.52
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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.