Finding the Fourth Proportional to 698,091.99, 963,366.41 and 396,285.99
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Solution
The fourth proportional to 698,091.99, 963,366.41 and 396,285.99 is: 546,874.36
Step by Step Solution
- Step 1: Write the proportion equation
698,091.99 : 963,366.41 = 396,285.99 : x - Step 2: Convert to fraction form
698,091.99/963,366.41 = 396,285.99/x - Step 3: Cross multiply
698,091.99x = 963,366.41 × 396,285.99 - Step 4: Simplify right side
698,091.99x = 381,768,609,538.17 - Step 5: Solve for x
x = 381,768,609,538.17/698,091.99 - Step 6: Final answer
x = 546,874.36
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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.