Finding the Fourth Proportional to 913,725.55, 1,370,366.25 and 381,250.99
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Solution
The fourth proportional to 913,725.55, 1,370,366.25 and 381,250.99 is: 571,783.82
Step by Step Solution
- Step 1: Write the proportion equation
913,725.55 : 1,370,366.25 = 381,250.99 : x - Step 2: Convert to fraction form
913,725.55/1,370,366.25 = 381,250.99/x - Step 3: Cross multiply
913,725.55x = 1,370,366.25 × 381,250.99 - Step 4: Simplify right side
913,725.55x = 522,453,489,475.09 - Step 5: Solve for x
x = 522,453,489,475.09/913,725.55 - Step 6: Final answer
x = 571,783.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.