Finding the Fourth Proportional to 826,260.24, 1,139,979.24 and 463,630.80
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Solution
The fourth proportional to 826,260.24, 1,139,979.24 and 463,630.80 is: 639,664.67
Step by Step Solution
- Step 1: Write the proportion equation
826,260.24 : 1,139,979.24 = 463,630.80 : x - Step 2: Convert to fraction form
826,260.24/1,139,979.24 = 463,630.80/x - Step 3: Cross multiply
826,260.24x = 1,139,979.24 × 463,630.80 - Step 4: Simplify right side
826,260.24x = 528,529,487,024.59 - Step 5: Solve for x
x = 528,529,487,024.59/826,260.24 - Step 6: Final answer
x = 639,664.67
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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.