Finding the Fourth Proportional to 687,366.26, 1,030,530.99 and 450,768.50
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Solution
The fourth proportional to 687,366.26, 1,030,530.99 and 450,768.50 is: 675,812.79
Step by Step Solution
- Step 1: Write the proportion equation
687,366.26 : 1,030,530.99 = 450,768.50 : x - Step 2: Convert to fraction form
687,366.26/1,030,530.99 = 450,768.50/x - Step 3: Cross multiply
687,366.26x = 1,030,530.99 × 450,768.50 - Step 4: Simplify right side
687,366.26x = 464,530,908,565.82 - Step 5: Solve for x
x = 464,530,908,565.82/687,366.26 - Step 6: Final answer
x = 675,812.79
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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.