Finding the Fourth Proportional to 946,987.53, 1,306,518.62 and 538,987.18
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Solution
The fourth proportional to 946,987.53, 1,306,518.62 and 538,987.18 is: 743,617.80
Step by Step Solution
- Step 1: Write the proportion equation
946,987.53 : 1,306,518.62 = 538,987.18 : x - Step 2: Convert to fraction form
946,987.53/1,306,518.62 = 538,987.18/x - Step 3: Cross multiply
946,987.53x = 1,306,518.62 × 538,987.18 - Step 4: Simplify right side
946,987.53x = 704,196,786,611.29 - Step 5: Solve for x
x = 704,196,786,611.29/946,987.53 - Step 6: Final answer
x = 743,617.80
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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.