Finding the Fourth Proportional to 565,479.23, 780,352.58 and 310,824.95
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Solution
The fourth proportional to 565,479.23, 780,352.58 and 310,824.95 is: 428,933.62
Step by Step Solution
- Step 1: Write the proportion equation
565,479.23 : 780,352.58 = 310,824.95 : x - Step 2: Convert to fraction form
565,479.23/780,352.58 = 310,824.95/x - Step 3: Cross multiply
565,479.23x = 780,352.58 × 310,824.95 - Step 4: Simplify right side
565,479.23x = 242,553,048,536.17 - Step 5: Solve for x
x = 242,553,048,536.17/565,479.23 - Step 6: Final answer
x = 428,933.62
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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.