Finding the Fourth Proportional to 828,840.92, 1,143,798.84 and 466,265.08
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Solution
The fourth proportional to 828,840.92, 1,143,798.84 and 466,265.08 is: 643,444.89
Step by Step Solution
- Step 1: Write the proportion equation
828,840.92 : 1,143,798.84 = 466,265.08 : x - Step 2: Convert to fraction form
828,840.92/1,143,798.84 = 466,265.08/x - Step 3: Cross multiply
828,840.92x = 1,143,798.84 × 466,265.08 - Step 4: Simplify right side
828,840.92x = 533,313,457,636.51 - Step 5: Solve for x
x = 533,313,457,636.51/828,840.92 - Step 6: Final answer
x = 643,444.89
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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.