Finding the Fourth Proportional to 709,069.28, 1,063,618.50 and 235,758.76
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Solution
The fourth proportional to 709,069.28, 1,063,618.50 and 235,758.76 is: 353,642.99
Step by Step Solution
- Step 1: Write the proportion equation
709,069.28 : 1,063,618.50 = 235,758.76 : x - Step 2: Convert to fraction form
709,069.28/1,063,618.50 = 235,758.76/x - Step 3: Cross multiply
709,069.28x = 1,063,618.50 × 235,758.76 - Step 4: Simplify right side
709,069.28x = 250,757,378,673.06 - Step 5: Solve for x
x = 250,757,378,673.06/709,069.28 - Step 6: Final answer
x = 353,642.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.