Finding the Fourth Proportional to 783,000.24, 1,080,489.14 and 460,648
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Solution
The fourth proportional to 783,000.24, 1,080,489.14 and 460,648 is: 635,664.12
Step by Step Solution
- Step 1: Write the proportion equation
783,000.24 : 1,080,489.14 = 460,648 : x - Step 2: Convert to fraction form
783,000.24/1,080,489.14 = 460,648/x - Step 3: Cross multiply
783,000.24x = 1,080,489.14 × 460,648 - Step 4: Simplify right side
783,000.24x = 497,725,161,362.72 - Step 5: Solve for x
x = 497,725,161,362.72/783,000.24 - Step 6: Final answer
x = 635,664.12
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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.