Finding the Fourth Proportional to 842,315.24, 1,162,395.15 and 460,341.92
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Solution
The fourth proportional to 842,315.24, 1,162,395.15 and 460,341.92 is: 635,271.91
Step by Step Solution
- Step 1: Write the proportion equation
842,315.24 : 1,162,395.15 = 460,341.92 : x - Step 2: Convert to fraction form
842,315.24/1,162,395.15 = 460,341.92/x - Step 3: Cross multiply
842,315.24x = 1,162,395.15 × 460,341.92 - Step 4: Simplify right side
842,315.24x = 535,099,215,149.69 - Step 5: Solve for x
x = 535,099,215,149.69/842,315.24 - Step 6: Final answer
x = 635,271.91
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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.