Finding the Fourth Proportional to 888,305.46, 1,225,857.98 and 480,407.73
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Solution
The fourth proportional to 888,305.46, 1,225,857.98 and 480,407.73 is: 662,960.74
Step by Step Solution
- Step 1: Write the proportion equation
888,305.46 : 1,225,857.98 = 480,407.73 : x - Step 2: Convert to fraction form
888,305.46/1,225,857.98 = 480,407.73/x - Step 3: Cross multiply
888,305.46x = 1,225,857.98 × 480,407.73 - Step 4: Simplify right side
888,305.46x = 588,911,649,474.19 - Step 5: Solve for x
x = 588,911,649,474.19/888,305.46 - Step 6: Final answer
x = 662,960.74
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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.