Finding the Fourth Proportional to 783,176.04, 1,080,761.94 and 460,905.12
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Solution
The fourth proportional to 783,176.04, 1,080,761.94 and 460,905.12 is: 636,036.71
Step by Step Solution
- Step 1: Write the proportion equation
783,176.04 : 1,080,761.94 = 460,905.12 : x - Step 2: Convert to fraction form
783,176.04/1,080,761.94 = 460,905.12/x - Step 3: Cross multiply
783,176.04x = 1,080,761.94 × 460,905.12 - Step 4: Simplify right side
783,176.04x = 498,128,711,647.13 - Step 5: Solve for x
x = 498,128,711,647.13/783,176.04 - Step 6: Final answer
x = 636,036.71
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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.