Finding the Fourth Proportional to 768,599.19, 1,060,666.74 and 429,067.44
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Solution
The fourth proportional to 768,599.19, 1,060,666.74 and 429,067.44 is: 592,112.99
Step by Step Solution
- Step 1: Write the proportion equation
768,599.19 : 1,060,666.74 = 429,067.44 : x - Step 2: Convert to fraction form
768,599.19/1,060,666.74 = 429,067.44/x - Step 3: Cross multiply
768,599.19x = 1,060,666.74 × 429,067.44 - Step 4: Simplify right side
768,599.19x = 455,097,562,824.95 - Step 5: Solve for x
x = 455,097,562,824.95/768,599.19 - Step 6: Final answer
x = 592,112.99
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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.