Finding the Fourth Proportional to 956,169.07, 1,434,405.86 and 316,496.17
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Solution
The fourth proportional to 956,169.07, 1,434,405.86 and 316,496.17 is: 474,794.65
Step by Step Solution
- Step 1: Write the proportion equation
956,169.07 : 1,434,405.86 = 316,496.17 : x - Step 2: Convert to fraction form
956,169.07/1,434,405.86 = 316,496.17/x - Step 3: Cross multiply
956,169.07x = 1,434,405.86 × 316,496.17 - Step 4: Simplify right side
956,169.07x = 453,983,959,333.08 - Step 5: Solve for x
x = 453,983,959,333.08/956,169.07 - Step 6: Final answer
x = 474,794.65
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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.