Finding the Fourth Proportional to 888,465.74, 1,332,697.59 and 289,425.98
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Solution
The fourth proportional to 888,465.74, 1,332,697.59 and 289,425.98 is: 434,138.64
Step by Step Solution
- Step 1: Write the proportion equation
888,465.74 : 1,332,697.59 = 289,425.98 : x - Step 2: Convert to fraction form
888,465.74/1,332,697.59 = 289,425.98/x - Step 3: Cross multiply
888,465.74x = 1,332,697.59 × 289,425.98 - Step 4: Simplify right side
888,465.74x = 385,717,306,029.39 - Step 5: Solve for x
x = 385,717,306,029.39/888,465.74 - Step 6: Final answer
x = 434,138.64
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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.