Finding the Fourth Proportional to 842,746.26, 1,162,981.88 and 460,768.98
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Solution
The fourth proportional to 842,746.26, 1,162,981.88 and 460,768.98 is: 635,856.84
Step by Step Solution
- Step 1: Write the proportion equation
842,746.26 : 1,162,981.88 = 460,768.98 : x - Step 2: Convert to fraction form
842,746.26/1,162,981.88 = 460,768.98/x - Step 3: Cross multiply
842,746.26x = 1,162,981.88 × 460,768.98 - Step 4: Simplify right side
842,746.26x = 535,865,974,606.08 - Step 5: Solve for x
x = 535,865,974,606.08/842,746.26 - Step 6: Final answer
x = 635,856.84
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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.