Finding the Fourth Proportional to 843,555.32, 1,164,106.30 and 461,582.12
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Solution
The fourth proportional to 843,555.32, 1,164,106.30 and 461,582.12 is: 636,983.30
Step by Step Solution
- Step 1: Write the proportion equation
843,555.32 : 1,164,106.30 = 461,582.12 : x - Step 2: Convert to fraction form
843,555.32/1,164,106.30 = 461,582.12/x - Step 3: Cross multiply
843,555.32x = 1,164,106.30 × 461,582.12 - Step 4: Simplify right side
843,555.32x = 537,330,653,859.36 - Step 5: Solve for x
x = 537,330,653,859.36/843,555.32 - Step 6: Final answer
x = 636,983.30
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1.5x scale
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.