Finding the Fourth Proportional to 774,890.92, 1,069,276.11 and 430,685.99
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Solution
The fourth proportional to 774,890.92, 1,069,276.11 and 430,685.99 is: 594,305.89
Step by Step Solution
- Step 1: Write the proportion equation
774,890.92 : 1,069,276.11 = 430,685.99 : x - Step 2: Convert to fraction form
774,890.92/1,069,276.11 = 430,685.99/x - Step 3: Cross multiply
774,890.92x = 1,069,276.11 × 430,685.99 - Step 4: Simplify right side
774,890.92x = 460,522,240,018.70 - Step 5: Solve for x
x = 460,522,240,018.70/774,890.92 - Step 6: Final answer
x = 594,305.89
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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.