Finding the Fourth Proportional to 782,203.08, 1,079,440.26 and 424,507.08
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Solution
The fourth proportional to 782,203.08, 1,079,440.26 and 424,507.08 is: 585,819.78
Step by Step Solution
- Step 1: Write the proportion equation
782,203.08 : 1,079,440.26 = 424,507.08 : x - Step 2: Convert to fraction form
782,203.08/1,079,440.26 = 424,507.08/x - Step 3: Cross multiply
782,203.08x = 1,079,440.26 × 424,507.08 - Step 4: Simplify right side
782,203.08x = 458,230,032,807.04 - Step 5: Solve for x
x = 458,230,032,807.04/782,203.08 - Step 6: Final answer
x = 585,819.78
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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.