Finding the Fourth Proportional to 565,539.70, 780,447.36 and 310,907.29
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Solution
The fourth proportional to 565,539.70, 780,447.36 and 310,907.29 is: 429,053.48
Step by Step Solution
- Step 1: Write the proportion equation
565,539.70 : 780,447.36 = 310,907.29 : x - Step 2: Convert to fraction form
565,539.70/780,447.36 = 310,907.29/x - Step 3: Cross multiply
565,539.70x = 780,447.36 × 310,907.29 - Step 4: Simplify right side
565,539.70x = 242,646,773,685.25 - Step 5: Solve for x
x = 242,646,773,685.25/565,539.70 - Step 6: Final answer
x = 429,053.48
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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.