Finding the Fourth Proportional to 578,771.43, 867,844.01 and 459,595.09
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Solution
The fourth proportional to 578,771.43, 867,844.01 and 459,595.09 is: 689,143.98
Step by Step Solution
- Step 1: Write the proportion equation
578,771.43 : 867,844.01 = 459,595.09 : x - Step 2: Convert to fraction form
578,771.43/867,844.01 = 459,595.09/x - Step 3: Cross multiply
578,771.43x = 867,844.01 × 459,595.09 - Step 4: Simplify right side
578,771.43x = 398,856,845,028.59 - Step 5: Solve for x
x = 398,856,845,028.59/578,771.43 - Step 6: Final answer
x = 689,143.98
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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.