Finding the Fourth Proportional to 888,449.58, 1,332,673.35 and 289,409.76
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Solution
The fourth proportional to 888,449.58, 1,332,673.35 and 289,409.76 is: 434,114.31
Step by Step Solution
- Step 1: Write the proportion equation
888,449.58 : 1,332,673.35 = 289,409.76 : x - Step 2: Convert to fraction form
888,449.58/1,332,673.35 = 289,409.76/x - Step 3: Cross multiply
888,449.58x = 1,332,673.35 × 289,409.76 - Step 4: Simplify right side
888,449.58x = 385,688,674,381.90 - Step 5: Solve for x
x = 385,688,674,381.90/888,449.58 - Step 6: Final answer
x = 434,114.31
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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.