Finding the Fourth Proportional to 513,499.55, 708,390.61 and 332,269.99
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Solution
The fourth proportional to 513,499.55, 708,390.61 and 332,269.99 is: 458,378.09
Step by Step Solution
- Step 1: Write the proportion equation
513,499.55 : 708,390.61 = 332,269.99 : x - Step 2: Convert to fraction form
513,499.55/708,390.61 = 332,269.99/x - Step 3: Cross multiply
513,499.55x = 708,390.61 × 332,269.99 - Step 4: Simplify right side
513,499.55x = 235,376,938,299.14 - Step 5: Solve for x
x = 235,376,938,299.14/513,499.55 - Step 6: Final answer
x = 458,378.09
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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.